US
OLFA

OLFA L-1 18mm Utility Knife

  • Handle Type: abs plastic
  • Blade Material: Carbon Tool Steel
  • Handle Material: Abs,Plastic,Rubber,Stainless-Steel,Steel
  • Material Type: Plastic, Carbon Tool Steel

Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

The 18mm carbon steel blade fits OLFA's common standard size, though the mixed handle materials and light weight figure suggest confirming whether this is a full knife or a blade refill.

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ASIN: B0006SJAR0Model: 5003Category: Utility & Work Knives

Overview

The OLFA 5003 combines a carbon tool steel blade with a handle built from ABS, rubber, stainless steel and plastic. Its blade length is listed at 18 millimeters, matching OLFA's standard snap-off blade width.

OLFA popularized the snap-off utility blade, and the 18mm width here lines up with its standard-size blades rather than the narrower 9mm line. The listing's 5 gram weight figure looks light for a full handle, and likely reflects a blade or component rather than the complete tool.

  • Carbon tool steel blade
  • 18 millimeter blade width
  • Mixed handle materials: ABS, rubber, stainless steel
  • OLFA model 5003

Who it's for

Fits anyone needing a general-purpose utility blade sized for OLFA's standard 18mm knives. Not the right match if your OLFA knife takes the narrower 9mm blade.

Pros and cons

Pros
  • Carbon tool steel blade holds an edge
  • 18mm width matches OLFA's most common blade standard
Cons
  • Listed weight seems too light for a full knife
  • Handle materials aren't matched to specific parts

Performance notes

Carbon tool steel holds an edge through repeated snap-offs, and the 18mm width is the more common of OLFA's two blade standards, giving it wider compatibility across the brand's utility knives.

Specifications

BrandOLFA
Model5003
Dimensions & fit
Item Weight0.01 poundslower than 96% of 145 utility & work knives
Item Length0.7 incheslower than 98% of 125 utility & work knives
Construction & materials
Blade MaterialCarbon Tool Steel
Handle MaterialAbs,Plastic,Rubber,Stainless-Steel,Steel
Material TypePlastic, Carbon Tool Steel
ColorYellow
Included components
Unit Count1
Warranty & support
Manufacturer Warranty Descriptionguaranteed forever
Other details
Handle Typeabs plastic
Product StyleFine
Item Type Name........

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Frequently asked questions

What blade width does the OLFA 5003 use?

18 millimeters, per the listing.

What is the blade made of?

Carbon tool steel.

Is this a full knife or a replacement blade?

The listing's weight and material details are mixed, so check the product photos to confirm whether it's a handled knife or a blade component.