---
product_id: 1701728
title: "OLFA 18mm Heavy-Duty Utility Knife (L-1) - Multi-Purpose Custom Cutting Depth Utility Knife w/Ergonomic Grip Handle & Snap-Off Blade, Replacement Blades: Any OLFA 18mm Blade"
brand: "olfa"
price: "€ 26.92"
currency: EUR
in_stock: true
reviews_count: 13
category: "Olfa"
url: https://www.desertcart.de/products/1701728-olfa-18mm-heavy-duty-utility-knife-l-1-multi-purpose
store_origin: DE
region: Germany
---

# 18mm razor-sharp snap-off blade custom ratchet lock with unlimited blade positions heavy-duty ABS handle with stainless steel blade channel OLFA 18mm Heavy-Duty Utility Knife (L-1) - Multi-Purpose Custom Cutting Depth Utility Knife w/Ergonomic Grip Handle & Snap-Off Blade, Replacement Blades: Any OLFA 18mm Blade

**Brand:** olfa
**Price:** € 26.92
**Availability:** ✅ In Stock

## Summary

> 🔪 Cut like a pro, lock in precision, and never miss a slice!

## Quick Answers

- **What is this?** OLFA 18mm Heavy-Duty Utility Knife (L-1) - Multi-Purpose Custom Cutting Depth Utility Knife w/Ergonomic Grip Handle & Snap-Off Blade, Replacement Blades: Any OLFA 18mm Blade by olfa
- **How much does it cost?** € 26.92 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.de](https://www.desertcart.de/products/1701728-olfa-18mm-heavy-duty-utility-knife-l-1-multi-purpose)

## Best For

- olfa enthusiasts

## Why This Product

- Trusted olfa brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Precision Cutting Power:** Razor-sharp Japanese steel blade with 8 snap-off segments for flawless, industrial-grade cuts every time.
- • **Tailored Safety Control:** Custom ratchet wheel lock lets you set exact cutting depths—work smarter, safer, and with total confidence.
- • **Ergonomic Heavy-Duty Grip:** High-impact ABS handle engineered for maximum leverage and comfort during the toughest projects.
- • **Trusted Industry Standard:** From the original Snap-Off Knife inventor, OLFA delivers unmatched durability and precision that pros swear by.
- • **Versatile Multi-Material Mastery:** Effortlessly slices through drywall, roofing, flooring, rubber, and gasket materials—your all-in-one cutting solution.

## Overview

The OLFA 18mm Heavy-Duty Utility Knife (L-1) features a razor-sharp Japanese tool steel blade with 8 snap-off segments, a custom ratchet lock for unlimited blade positioning, and a sturdy ergonomic ABS handle with a stainless steel channel for secure blade placement. Designed for heavy-duty, multi-material cutting tasks, it’s the trusted choice for professionals and DIYers alike.

## Description

Product Description OLFA 5003 L-1 18mm Ratchet-Lock Heavy-Duty Utility Knife From the Manufacturer Original OLFA Snap-Off Heavy Duty Cutter Features A Contour Durable Handle With A Ratchet-Wheel Blade Locking Mechanism And Unlimited Blade Adjustment. Includes LB Blade.

Review: The best utility knife - Whenever I work at home I have this knife on me. It works perfect for 10^6 of things! Bought as replacement to the one I lost (was 10 old and was still perfect!)
Review: Use these for years very durable - These are great knives way better than the ones at home depot

## Features

- RAZOR SHARP 18mm BLADE - Preloaded with LB Heavy-Duty Silver Snap Blade made from Japanese tool steel for unmatched sharpness and edge retention. The 18mm blade has 8 razor-sharp snap-off segments, great for industrial or construction applications.
- STURDY HANDLE - Made from high-impact ABS plastic, the handle provides extra leverage for tough cutting projects. The stainless-steel channel keeps the blade firmly in place for safe operation. There's also a keychain/lanyard hole for tethering.
- CUSTOM RATCHET LOCK CONTROL - Designed with safety in mind, our box cutter's ratchet-based locking system provides custom cutting depths. The blade slider has a wheel locking mechanism for unlimited positions when securing the blade in place.
- MULTIPURPOSE HEAVY-DUTY DESIGN - The OLFA 18mm L-1 Utility Knife is perfect for tough cutting projects that require extra elbow grease. It delivers accurate cuts through drywall, roofing, flooring, rubber, gasket materials and more.
- THE OLFA STANDARD - As the original inventor of the Snap-Off Knife, OLFA has maintained a standard of cutting excellence for our quality and durability. Pairing your OLFA 18mm Utility Knife with OLFA 18mm Blades will provide optimal results.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0006SJAR0 |
| Best Sellers Rank | #25,797 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #143 in Utility Knives |
| Blade Material | Stainless Steel |
| Brand | OLFA |
| Color | Standart |
| Customer Reviews | 4.8 4.8 out of 5 stars (4,164) |
| Date First Available | November 24, 2003 |
| Global Trade Identification Number | 00091511200195, 00091511600049 |
| Handle Material | Abs,Plastic,Rubber,Stainless-steel,Steel |
| Is Discontinued By Manufacturer | No |
| Item Length | 18 Millimeters |
| Item Weight | 2.5 ounces |
| Item model number | 5003 |
| Manufacturer | OLFA |
| Manufacturer Part Number | 5003 |
| Material | Plastic, carbon tool steel |
| Material Type | Plastic, carbon tool steel |
| Number of Items | 1 |
| Size | 6"L x 3"W x 1.5"H |
| Style | Fine |
| UPC | 091511600049 091511200195 |

## Product Details

- **Blade Material:** Stainless Steel
- **Brand:** OLFA
- **Color:** Standart
- **Handle Material:** Abs,Plastic,Rubber,Stainless-steel,Steel
- **Item Length:** 18 Millimeters
- **Item Weight:** 2.5 Ounces
- **Manufacturer:** OLFA
- **Material:** Plastic, carbon tool steel
- **Style:** Fine
- **UPC:** 091511600049 091511200195

## Images

![OLFA 18mm Heavy-Duty Utility Knife (L-1) - Multi-Purpose Custom Cutting Depth Utility Knife w/Ergonomic Grip Handle & Snap-Off Blade, Replacement Blades: Any OLFA 18mm Blade - Image 1](https://m.media-amazon.com/images/I/61MYemvkaSL.jpg)

## Available Options

This product comes in different **Number Of Items** options.

## Questions & Answers

**Q: I purchased elmer's (cork) foam board to mount a 26x26 inch jigsaw puzzle and now  need to the trim the foam board, do you think this tool would work?**
A: I have used this tool to cut everything from paper and foam board to building materials like fiberglass insulation and even roofing shingles.

**Q: Is there storage inside the knife for spare blades?**
A: No there is not.

**Q: How long is the cutting surface of the blade?**
A: The cutting blade area is 1 centimeter

**Q: Does this take the 9mm snap-off blades?**
A: It uses 18 mm blades part number LB-10B snap off blades

## Customer Reviews

### ⭐⭐⭐⭐⭐ The best utility knife
*by D***K on January 29, 2026*

Whenever I work at home I have this knife on me. It works perfect for 10^6 of things! Bought as replacement to the one I lost (was 10 old and was still perfect!)

### ⭐⭐⭐⭐⭐ Use these for years very durable
*by J***N on January 10, 2026*

These are great knives way better than the ones at home depot

### ⭐⭐⭐⭐⭐ Good quality knife
*by J***Y on January 31, 2026*

Tried different brands but this one is one of the best; using it for years. Highly recommended

## Frequently Bought Together

- OLFA 18mm Heavy-Duty Utility Knife (L-1) - Multi-Purpose Custom Cutting Depth Utility Knife w/Ergonomic Grip Handle & Snap-Off Blade, Replacement Blades: Any OLFA 18mm Blade
- OLFA 5009 LB-10B Snap-Off Heavy Duty Blade, 10 Pack
- OLFA UltraSharp Black Snap-Off Heavy-Duty Blade

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**Shop now:** [https://www.desertcart.de/products/1701728-olfa-18mm-heavy-duty-utility-knife-l-1-multi-purpose](https://www.desertcart.de/products/1701728-olfa-18mm-heavy-duty-utility-knife-l-1-multi-purpose)

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*Product available on Desertcart Germany*
*Store origin: DE*
*Last updated: 2026-03-04*