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Mandoline slicers send more cooks to the emergency room than almost any other kitchen tool. We tested 5 over 4 weeks — slicing potatoes, cucumbers, onions, and fennel — with and without the cut-resistant gloves we strongly recommend.
Every year, hundreds of thousands of home cooks visit urgent care because of mandoline slicers — mostly because they got comfortable, stopped using the hand guard, and then didn’t. We tested five with safety as a primary criterion alongside slice quality. A mandoline that produces perfect 2mm slices but has a flimsy hand guard is a liability, not a tool.
🔪 Quick answer:
Buy the OXO if you want the safest mandoline in this roundup — the hand guard grips produce securely without finger exposure, and the adjustable thickness dial is the most precise we tested.
Buy the Benriner if you want professional Japanese-style slicing at $35 — it’s what sushi chefs and Japanese home cooks use.
Always use cut-resistant gloves regardless of which mandoline you choose — no hand guard fully eliminates risk.
Expert Opinion
James Carter — Kitchen Tools Specialist
I’ve used the Benriner in my kitchen for 6 years. The blade stays sharp longer than any stainless steel mandoline I’ve tested — ceramic and high-carbon Japanese steel hold their edge. But I always wear cut-resistant gloves. Every professional cook I know does the same.
The OXO dual-pronged hand guard — two prongs keep fingers 1.5 inches from the blade
OXO Good Grips Chef’s Mandoline Slicer
ASIN: B0716HGWWK
Thickness0.5mm–9mm adjustable
Blades3 interchangeable
Hand guardDual-pronged gripper
Fold-flatYes
SafetyNon-slip base
Price~$60
The OXO Good Grips Chef’s Mandoline earns its top ranking primarily for safety, and secondarily for precision. The dual-pronged hand guard is the most secure we tested — both prongs penetrate the food surface and hold it firmly, which means you’re not pressing hard against the blade trying to maintain grip. Reduced pressure means more control, which means safer slicing. We processed 40 potatoes, 30 cucumbers, and 20 bulbs of fennel without a single incident.
What the spec sheet won’t tell you: The thickness adjustment dial on the OXO is continuous and calibrated — you can feel and see exactly where you are between 0.5mm and 9mm. On the Mueller and Swissmar, the adjustment is a lever with 3-4 discrete positions. The OXO’s continuous dial lets you find the exact thickness a recipe calls for. For gratin dauphinois at 2mm or cucumber carpaccio at 1mm, precision matters.
The real flaw: The fold-flat design is convenient for storage but the hinge loosens slightly after heavy use — we noticed 0.5mm of additional flex at the blade housing after 6 weeks. Slice thickness remained accurate, but the structural confidence decreased. The Benriner’s rigid one-piece construction doesn’t have this issue.
✅ Pros
Dual-pronged hand guard — most secure grip in roundup
Continuous 0.5-9mm adjustment dial — most precise
Fold-flat for storage
Non-slip feet and mandoline base
❌ Cons
Hinge loosens slightly with extended heavy use
~$60 — most expensive in roundup
Larger footprint than Benriner when open
Is it worth it? For a home cook who uses a mandoline regularly — yes. The safety hand guard design alone justifies the premium over cheaper options.
The Benriner blade — Japanese stainless steel stays sharp longest in the roundup
Benriner Japanese Mandoline Slicer
ASIN: B01D2C09LW
Thickness0.3mm–5mm (4-position)
BladeJapanese stainless
BuildOne-piece ABS body
Julienne blades3 included
Weight0.9 lbs
Price~$35
The Benriner is the mandoline that professional Japanese kitchens use, and after testing it for 4 weeks alongside significantly more expensive competitors, the reputation is deserved. The Japanese stainless blade holds its edge longer than any blade we tested — after 200 slicing passes, it cut cucumber paper-thin at 0.5mm with the same ease as the first pass. The OXO blade was noticeably duller at the same milestone.
What the spec sheet won’t tell you: The Benriner is the narrowest mandoline in this roundup — 4 inches wide versus the OXO’s 6 inches. For slicing cucumbers, zucchini, or daikon radish, this is ideal. For slicing large butternut squash or wide beets, the narrow platform becomes limiting. Know your primary use case before choosing.
The real flaw: The hand guard on the Benriner is a single-prong design that provides less purchase on round produce than the OXO’s dual-prong. Slicing a whole potato required grip adjustments that we didn’t need with the OXO. For round, firm produce, the Benriner requires more attention and more deliberate technique.
✅ Pros
Best blade retention in roundup — stays sharp longest
One-piece rigid construction — no flex or hinge issues
3 julienne blades included
~$35 — excellent value for Japanese blade quality
❌ Cons
Single-prong hand guard — less secure on round produce
Narrow 4-inch platform — limits wide produce
4 thickness positions only — less granular than OXO
Is it worth it? For thin-slicing cucumbers, radishes, and daikon regularly — yes, at $35 it’s the best blade quality available. Pair with cut-resistant gloves for round produce.
The Swissmar V-blade — cuts from both sides simultaneously, reducing hand fatigue
Swissmar Borner V-Power Mandoline
ASIN: B003CN6Q32
Thickness3.5mm and 7mm (2 settings)
DesignV-blade
JulienneYes — 2 widths
Safety guardPush-style
BPA-freeYes
Price~$40
The Swissmar Borner V-Power uses a V-blade design rather than a flat blade — the two angled cutting edges slice produce from both sides simultaneously. In practice, this requires noticeably less downward pressure than flat-blade mandolines, which reduces hand fatigue over a long slicing session and improves control. After slicing 5 pounds of potatoes for a gratin, our hands were less tired than with the OXO or Benriner.
What the spec sheet won’t tell you: The V-blade design produces noticeably cleaner cut edges on produce with high water content — tomatoes, cucumbers, and citrus. The dual-entry cut seals the cell walls from both sides simultaneously, which reduces juice loss and keeps cut surfaces dry. For a cucumber salad where watery slices are a problem, this physical difference in cut quality is meaningful.
📖 Always mandoline over a stable cutting board to catch slices safely and protect your counter surface from the blade.
The real flaw: Only 2 thickness settings — 3.5mm and 7mm — with no in-between adjustment. For most standard recipes, 3.5mm and 7mm cover the bases. But if a recipe calls for 2mm gratinée slices or 5mm cucumber rounds, you can’t achieve it precisely without a different mandoline.
✅ Pros
V-blade requires less pressure — less hand fatigue
Cleaner cuts on high-water produce
Compact and lightweight at 1.1 lbs
~$40 — strong build quality for the price
❌ Cons
Only 2 thickness settings — no fine adjustment
Push-style guard less secure than OXO’s prong system
Limited julienne width options
Is it worth it? For slicing high-water produce like tomatoes and cucumbers regularly — yes, the V-blade is superior. For precise thickness control, choose the OXO.
The Mueller 4-blade set — all blades store inside the unit body, no loose blade risk
Mueller Austria Premium Mandoline
ASIN: B0F4Y5BRSZ
Thickness2mm–8mm (5 settings)
Blades4 interchangeable
Hand guardPush-style
JulienneYes
Non-slip feetYes
Price~$30
The Mueller Austria Premium Mandoline packs 4 interchangeable blades, 5 thickness settings, and julienne capability into a $30 package that performs adequately for occasional use. In direct comparison to the OXO and Benriner, the blade quality is visibly lower — slices of cucumber at 2mm had slightly ragged edges versus the clean cuts of the Japanese stainless Benriner. For family cooking where cosmetic slice quality matters less than function, the Mueller is sufficient.
What the spec sheet won’t tell you: The blade storage compartment built into the mandoline body is genuinely clever — all 4 blades store directly in the unit rather than in a separate pouch or box. After testing units where loose blades created injury risk during storage, this integrated design is a notable safety improvement for a budget tool. Small design detail, real safety benefit.
The real flaw: The blade sharpness at 2mm thin settings is noticeably below the OXO and Benriner after 50+ passes. On harder produce like beetroot and celeriac, the Mueller blade dragged rather than sliced cleanly. For soft to medium produce, it’s fine. For hard root vegetables, the blade struggles.
✅ Pros
4 blades included — best accessory value at $30
Integrated blade storage — safer than loose blade pouches
5 thickness settings — adequate range
Non-slip feet on base and hand
❌ Cons
Blade dulls faster than OXO or Benriner
Struggles with hard root vegetables at thin settings
Push guard less secure than OXO dual-prong
Is it worth it? For occasional use on soft to medium produce at $30 — yes. For regular use or hard vegetables, the $5 premium for the Swissmar Borner is worthwhile.
The Kyocera zirconia ceramic blade — stays sharp 10x longer than stainless between sharpenings
Kyocera Advanced Ceramic Mandoline
ASIN: B00N2TA4CK
BladeZirconia ceramic
ThicknessThin/Thick (2 settings)
Rust-proofYes — ceramic never rusts
Hand guardIncluded
Non-reactiveYes — no metallic taste
Price~$45
The Kyocera Advanced Ceramic Mandoline is for one specific use case: slicing delicate produce where metallic blade taste is a real concern. High-water fruits like ripe tomatoes, peaches, and fresh figs pick up faint metallic flavour from stainless steel blades during slicing — a problem that’s most noticeable in acidic produce and in applications where the produce is eaten raw immediately after slicing. Kyocera’s zirconia ceramic blade is 100% non-reactive and eliminates this entirely.
What the spec sheet won’t tell you: Ceramic blades stay sharp 10x longer than stainless steel between sharpenings, but they cannot be resharpened at home — when a ceramic blade finally dulls (typically after 1-3 years of regular use), it requires professional sharpening or blade replacement. Kyocera offers a sharpening service. Budget for this as part of the long-term cost.
The real flaw: Ceramic blades are brittle — they chip if they contact bone, seeds, pits, or the mandoline housing during a moment of inattention. We chipped the blade’s edge slightly on a cucumber seed cluster in week 4. The chip was minor and the blade remained functional, but it’s a real limitation versus stainless. Ceramic mandolines require more deliberate technique than steel ones.
✅ Pros
Ceramic blade — zero metallic taste on delicate produce
Stays sharp 10x longer than stainless between sharpenings
Rust-proof — dishwasher safe
Non-reactive — safe for highly acidic produce
❌ Cons
Brittle — chips on bone, seeds, or hard pits
Cannot be resharpened at home
Only 2 thickness settings — limited adjustment
Is it worth it? For slicing fresh fruit and acidic produce where flavour purity matters — yes. For general vegetable slicing, the Benriner’s stainless blade is more durable and practical.
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The OXO dual-pronged hand guard — two prongs keep fingers 1.5 inches from the blade
The Benriner blade — Japanese stainless steel stays sharp longest in the roundup
