6 Best Safety Mandoline Slicers in 2026
Six enclosed-blade mandoline slicers compared on blade guarding, thickness range, feed size and cleanup, so you can slice produce without touching an edge.
At a Glance
A classic flat mandoline is the fastest way to cut even slices, and also one of the quickest ways to nick a knuckle. The edge sits exposed, the food gets slid across it by hand, and the last inch of every potato tempts you to keep going. Safety-style slicers answer that by putting the blade inside a housing and moving the food with a push handle instead of your fingers.
This lineup covers six of those enclosed-blade models. We evaluated them from product specs and buyer feedback, looking at how much of the blade a hand can reach, how wide the thickness range runs, how big a vegetable the feed port accepts, and how easy it is to rinse clean. The picks span a 0.1 to 8 mm dial, a foldable 30 option unit, and a few bigger-port designs.
None of these removes the need for common sense, since a sharp blade stays sharp even when it is hidden. What they do is shift the risky moments, such as thickness changes and cleaning, into steps that need less finger contact.
6 Criteria to Look For Before Buying a Safety Mandoline Slicer
Key buying criteria so you get the right fit the first time.
How much blade stays exposed
A safety mandoline earns its name by keeping the cutting edge behind a housing, so the first question is whether any edge is reachable during normal use. Built-in blades like those in the SupMaKin Safer, the Dash and the ONCE FOR ALL All in 1 sit inside the body, and a push handle moves the food. Look for a design that does not require you to touch the blade to change thickness or mode. Even so, treat the housing as a reduction in risk rather than a guarantee, and handle any removable insert by its frame.
Thickness range and control
Slice thickness decides what you can make, from paper thin potato chips to thick onion rounds. The SupMaKin Safer runs from 0.1 to 8 mm, while the Dash covers 1 to 8 mm, which means the SupMaKin handles ultra-thin cuts the Dash cannot. A dial is safer than swapping blades by hand, so favor models that change thickness without disassembly. If your recipes mostly sit between 2 and 5 mm, either range is more than enough.
Feed port size
A safety housing limits the vegetable size that fits, and this is the biggest practical frustration with the category. The SupMaKin Pro lists a 3.9 x 4.7 inch port, and the ONCE FOR ALL Plus advertises a larger port than its plain sibling. If you cook for a family, a roomy opening saves minutes of pre-chopping. For a one or two person kitchen a compact port is fine, and the Dash gains storage ease by giving it up.
Stability on the counter
A slicer that slides while you push is the likelier cause of an accident than the blade itself. Look for a non-slip base, rubber feet or a wide footprint, as the Eletronova promotes with its stable base. Test any new slicer by pressing hard on an empty housing before loading food, and place it on a damp cloth or a non-slip mat if it creeps. Put it on a surface lower than your elbows so pressure goes straight down.
Cleaning and drying access
Enclosed blades are harder to reach, so a design that opens up or comes with a brush saves risk and time. The ONCE FOR ALL Plus has a collapsible body, and the Dash includes a cleaning brush for its blades. Rinse immediately after use, because starch and juice dry into the housing and call for more scrubbing later. Never wipe the blade with a sponge held against the edge, and let every part air dry fully before storing.
Container and storage footprint
A catch container keeps counters clear but adds bulk. The Eletronova includes one, the SupMaKin Pro has a larger container, and the Dash folds flat to avoid it. Measure your drawer or cabinet before you buy, since an assembled unit can run larger than a pan lid. If space is tight, a foldable or collapsible design will get used more often than a bulky one that lives at the back of a cabinet.
6 Best Safety Mandoline Slicers in 2026
SupMaKin Safer Mandoline Slicer 1-8 mm
About this pick
The SupMaKin Safer slicer keeps its stainless steel blades inside the housing, so slicing happens by pressing a handle down on the food rather than dragging produce over an open edge. Thickness is adjustable from 0.1 to 8 mm, which is one of the widest ranges in this group and covers paper thin potato crisps through chunky cucumber rounds.
The tradeoff of a closed design is the size of the opening. Large whole vegetables have to be cut down first, and tall items such as a full carrot need trimming to fit. Buyers who mostly slice potatoes, zucchini and onions will find the format comfortable, while someone wanting to julienne a whole cabbage head will feel boxed in.
In daily ownership the main habit is rinsing right after use, because food dries inside the housing and gets harder to reach. Compared with the SupMaKin Pro at a 3.9 x 4.7 inch port, this model is the more compact option, and compared with the Dash at 1 to 8 mm it reaches a much thinner minimum slice. It feels like a sensible first safety slicer.
Best for: Cooks who want the widest thickness range in a hidden-blade design.
Check price on AmazonSpecs
- Thickness range: 0.1 to 8 mm
- Blade: Stainless steel, built in
- Operation: Push handle
Pros
- +Built-in blades stay out of reach of fingers
- +Thickness runs from 0.1 mm to 8 mm
- +Push handle replaces sliding food by hand
- +Heavy-duty stainless blades cut hard produce
Cons
- −Housing limits the size of whole vegetables
- −Inner cleaning needs a rinse right after use
ONCE FOR ALL Upgrade Safe Mandoline Slicer Plus
About this pick
The ONCE FOR ALL Plus is built around a bigger feeding port, so chunkier vegetables fit without the pre-chopping step that smaller housings demand. It offers four modes covering slicing, strips, julienne and dicing, and the blade stays hidden behind the housing throughout.
The collapsible body is its signature feature, letting the unit break down so the inner surfaces can be rinsed under the tap. That helps in a home where hand strength or patience for scrubbing is limited. The compromise is slice quality, because buyers describe the cuts as a little less uniform than a flat mandoline produces, especially with soft produce.
Storage is the other consideration, since the assembled unit takes real cabinet space even though it collapses for washing. Against the SupMaKin Safer at 0.1 to 8 mm it offers fewer exact thickness choices but a roomier opening, and next to the plain ONCE FOR ALL All in 1 it adds the larger port as the main upgrade. It suits households that prep large batches of vegetables.
Best for: Batch cooks who want a roomier feed port and easy rinse-down.
Check price on AmazonSpecs
- Modes: 4
- Feed port: Larger than standard
- Body: Collapsible
Pros
- +Hidden blade keeps fingers away from the edge
- +Larger feeding port takes chunkier vegetables
- +Four modes cover slicing and chopping
- +Collapsible body rinses and stores easily
Cons
- −Slices are less uniform than a flat mandoline
- −Assembled unit takes up cabinet space
Dash Safe Slice Mandoline
About this pick
The Dash Safe Slice folds down for storage and keeps its blades built in, so hands never travel near the cutting edge. The maker lists more than 30 slicing options with evenly cut slices from 1 to 8 mm, plus julienne and matchstick cuts, and a food catch container collects what comes through.
Included cleaning brush is a practical safety detail, since it lets you scrub the blades without pressing a sponge against them. The foldable shape suits small kitchens and drawer storage. The limitation is the thickness floor of 1 mm, so anyone chasing translucent chips will find the SupMaKin Safer at 0.1 mm thinner.
Ownership is easy as long as you keep the brush handy and rinse after each session. Compared with the Eletronova it leans toward compact storage rather than a deep container, and against the ONCE FOR ALL Plus it gives up a larger port for a smaller footprint. We would point apartment cooks and anyone with limited cabinet space here first.
Best for: Small kitchens that need a mandoline that folds away.
Check price on AmazonSpecs
- Thickness range: 1 to 8 mm
- Cut options: 30 plus
- Extras: Cleaning brush, catch container
Pros
- +Built-in blades keep hands away from the edge
- +Folds down for compact drawer storage
- +Brush included for scrubbing blades safely
- +Julienne and matchstick cuts beyond plain slices
Cons
- −Thinnest cut stops at 1 mm, not 0.1 mm
- −Folding design has more joints to rinse
Eletronova Safe Mandoline Slicer with Container
About this pick
The Eletronova pairs a safety-minded slicer with a container that catches cuttings, so prepped potatoes, carrots and cucumbers drop straight into a bin rather than across the counter. It adds French fry cutting alongside julienne and shredding, which gives it a broader job list than a slice-only tool.
A stable base is meant to prevent slipping, and that matters because a slicer that creeps mid-stroke is the more likely accident. Material is described as food grade and sturdy, though the listing does not give an exact thickness range, so you cannot compare it millimeter for millimeter with the SupMaKin at 0.1 to 8 mm.
Practical use is simple: set it on a board, push the produce through, and empty the container. Washing the container is easy, but the several cutting inserts are more small parts to track than the Dash needs. If you want French fries and shredding from one tool, this is the more varied choice, while the SupMaKin Safer is the better thickness controller.
Best for: Home cooks who want fries, julienne and shredding in one tool.
Check price on AmazonSpecs
- Cuts: Slice, julienne, shred, fries
- Included: Collection container
- Base: Stable, slip-resistant
Pros
- +Container catches cuttings as they fall
- +Adds French fry cutting to slicing
- +Stable base resists sliding mid-stroke
- +Food grade materials in a sturdy build
Cons
- −Listing gives no exact thickness range
- −Extra inserts mean more parts to store
SupMaKin Safe Mandoline Slicer Pro
About this pick
The Pro is the bigger-capacity SupMaKin, with a feeding port listed at 3.9 by 4.7 inches and a container that holds more cut food per pass. The handle springs back automatically after each push, which speeds up repeated slicing and keeps the blade area closed between strokes.
The shell is ABS with rust-resistant stainless blades inside, so nothing sharp is exposed as you load. Slice, strip, dice and julienne are all on the menu, which makes the Pro a reasonable all-purpose option. Its size is the cost, since it needs more counter and cabinet room than the compact Dash.
As with other closed designs, rinse promptly and use a brush on the inside. Compared with the SupMaKin Safer, the Pro gives you a larger opening but no stated 0.1 to 8 mm range, and compared with the ONCE FOR ALL Plus it relies on a spring return rather than a collapsing body. Households that prep for several people at a time will get the most from it.
Best for: Larger households that slice a lot of produce at once.
Check price on AmazonSpecs
- Feed port: 3.9 x 4.7 inch
- Shell: ABS plastic
- Blades: Rust-resistant stainless, built in
Pros
- +Feed port listed at 3.9 x 4.7 inches
- +Handle rebounds automatically after each push
- +Rust-resistant stainless blades sit inside
- +Container holds more cut food per pass
Cons
- −Bulkier on the counter and in the cabinet
- −Listing does not state a thickness range
ONCE FOR ALL Safe Mandoline Slicer All in 1
About this pick
The All in 1 from ONCE FOR ALL covers four modes, julienne, matchstick, slicing and dicing, without swapping the blade by hand. That detail matters for safety because blade changes are a classic moment for cuts. The blades are 420 stainless steel and stay behind the housing.
It is the simpler sibling of the Plus, so it skips the larger port and the collapsing body. That keeps the design easy to understand and to store, but food has to be cut to size before loading. Buyers who want to turn a few potatoes and carrots into evenly cut pieces will find it enough.
Cleaning follows the usual rule for enclosed slicers, which is to rinse right after use and brush the inside. Against the ONCE FOR ALL Plus it offers the same four modes in a smaller footprint, and against the SupMaKin Safer at 0.1 to 8 mm it gives fewer thickness choices. It is a straightforward pick when you want hidden blades without paying for extras.
Best for: Cooks who want four cuts and hidden blades without extras.
Check price on AmazonSpecs
- Modes: Julienne, matchstick, slice, dice
- Blade steel: 420 stainless
- Blade swaps: None needed
Pros
- +Four modes without changing a blade
- +Hidden blade keeps fingers clear of the edge
- +420 stainless steel blades hold up to hard produce
- +Simple design is quick to set up
Cons
- −Food needs pre-cutting to fit the port
- −No thickness dial range is stated
How We Evaluated These Safety Mandoline Slicers
Each pick was assessed across 5 criteria weighted for real-world use.
Blade guarding
We looked at whether the cutting edge sits inside the housing and whether any step in normal use asks for finger contact with it. Picks with built-in blades and no manual blade swaps scored best. Listings that depend on removable inserts were weighed more carefully.
Thickness and cut range
Each pick was compared on how many cuts it offers and how finely thickness can be controlled. The SupMaKin Safer leads on range at 0.1 to 8 mm, while the Dash lists more than 30 options from 1 to 8 mm. Slicers that state no range lost ground on precision.
Capacity and fit
Feed port and container size decide how much pre-chopping a cook has to do. The SupMaKin Pro lists a 3.9 x 4.7 inch port and the ONCE FOR ALL Plus advertises a larger one. Compact models were judged on whether their smaller opening is a fair tradeoff for easier storage.
Stability and handling
Based on product specs and buyer feedback, we considered base design, handle travel and how much force a push needs. A stable base like the Eletronova describes counts for more than extra cut modes. Spring-return handles were credited for keeping hands out of the blade area.
Cleanup and storage
Enclosed slicers live or die on how easily the inside rinses. Collapsible bodies, included brushes and foldable frames earned credit, while many small inserts cost points. The Dash leads on storage, and the ONCE FOR ALL Plus leads on rinse access.
How to Choose the Right Safety Mandoline Slicers
By Thickness Range
Match your most common recipe to the slicer whose stated range covers it.
| Situation | Pick | Why |
|---|---|---|
| Paper thin potato chips at 0.1 mm | SupMaKin Safer Mandoline Slicer 1-8 mm | Only pick listing a minimum of 0.1 mm |
| Everyday slices between 1 and 8 mm | Dash Safe Slice Mandoline | Lists 1 to 8 mm with 30 plus options |
| Julienne and matchstick strips | ONCE FOR ALL Safe Mandoline Slicer All in 1 | Four modes without swapping blades |
| French fries from potatoes | Eletronova Safe Mandoline Slicer with Container | Fry cutter and container are included |
If a listing states no range, treat thickness control as basic and test it with soft produce first.
By Budget
Tiers are relative, since prices shift often.
| Tier | Pick | Reason |
|---|---|---|
| Entry | ONCE FOR ALL Safe Mandoline Slicer All in 1 | Four modes in a plain, easy design |
| Mid | Dash Safe Slice Mandoline | Folding body and included brush |
| Mid | SupMaKin Safer Mandoline Slicer 1-8 mm | Widest stated thickness range |
| Premium | SupMaKin Safe Mandoline Slicer Pro | 3.9 x 4.7 inch port and larger container |
Hidden Blade vs Open Blade Mandoline
Hidden blade
The blade sits inside a housing and a push handle moves the food, so fingers never ride over the edge. SupMaKin Safer, ONCE FOR ALL Plus, Dash and SupMaKin Pro all follow this design. Pick this if grip or reaction speed makes an open blade a worry.
Open blade
A flat mandoline slides food across an exposed edge and gives cleaner, more uniform slices on soft produce like tomatoes. None of these six uses it, which is why the Eletronova and ONCE FOR ALL All in 1 trade a little slice quality for protection. Choose open blades only with a guard and cut-resistant glove.
By Kitchen Space
| Space | Pick | Reason |
|---|---|---|
| Tiny drawer | Dash Safe Slice Mandoline | Folds down for storage |
| Cabinet shelf | ONCE FOR ALL Upgrade Safe Mandoline Slicer Plus | Collapses for rinsing, still bulky assembled |
| Open counter | SupMaKin Safe Mandoline Slicer Pro | Bigger body suits a permanent spot |
| Shared prep bench | Eletronova Safe Mandoline Slicer with Container | Container catches food at the bench |
For Potatoes and Root Vegetables Specifically
Look for
Sturdy stainless blades, a stable base and a push handle with enough leverage for dense produce. A larger port also saves cutting each potato in half first.
In this comparison
SupMaKin Safer is described as cutting hard produce, the SupMaKin Pro offers a 3.9 x 4.7 inch opening, and the ONCE FOR ALL All in 1 uses 420 stainless blades. Choose the Pro for the biggest potatoes.
When to Spend More
| Spend more if | Save if |
|---|---|
| You slice for a family and want the SupMaKin Pro port of 3.9 x 4.7 inches | You cook for one or two and a compact Dash is enough |
| You need 0.1 mm chips from the SupMaKin Safer | Most slices land between 2 and 5 mm |
| Rinsing access matters and you want the ONCE FOR ALL Plus collapsing body | You always rinse right away and the ONCE FOR ALL All in 1 works |
Frequently Asked Questions
Which safety mandoline should I choose first?
Start from what you slice. If you want the widest thickness control, the SupMaKin Safer at 0.1 to 8 mm is the strongest fit. If storage is tight, the Dash folds flat, and if you prep large batches, the SupMaKin Pro with its 3.9 x 4.7 inch port saves time.
Are hidden blades truly safe?
They reduce risk because fingers do not travel over the edge, but they are not injury proof. The blade is still sharp when you rinse the inside, change inserts or reach in to clear stuck food. Use a brush, rinse promptly and treat every removable part with care.
Do enclosed slicers cut as evenly as a flat mandoline?
Usually not on very soft produce. Buyers report that the ONCE FOR ALL Plus gives slices that are a bit less uniform than a flat mandoline. Firm vegetables like potatoes and carrots come out more consistent than ripe tomatoes.
How should I clean the inside?
Rinse right after use, before starch or juice dries. Use a brush such as the one included with the Dash, and keep your fingers off the edge. If the body collapses, as on the ONCE FOR ALL Plus, take it apart and let each piece air dry fully.
Does a bigger feed port matter?
It does if you cook for a household. A 3.9 x 4.7 inch opening like the SupMaKin Pro accepts large chunks that smaller housings force you to cut down. If you rarely slice more than a carrot at a time, a smaller port is acceptable.
Can a slicer move or slip on the counter?
Yes, and that is a common source of trouble. Look for a stable base like the Eletronova describes and place the slicer on a damp cloth or non-slip mat. Always push straight down rather than sideways.
Is a cut-resistant glove still worth wearing?
A glove is a sensible extra layer when you remove or store anything sharp. Even with hidden blades, handling the blade area during cleaning is the moment a glove helps most. It does not replace careful technique.
Bottom Line
best overall: SupMaKin Safer Mandoline Slicer 1-8 mm - best overall pick in this roundup.
See the full rankings above for all picks with pros, cons, and best-for summaries.
Browse on Amazon
All Prime-eligible options with current pricing.
Shop on Amazon →