---
product_id: 1701728
title: "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: "92.93 DT"
currency: TND
in_stock: true
category: "Olfa"
url: https://www.desertcart.tn/products/1701728-18mm-heavy-duty-utility-knife-l-1-multi-purpose-custom
store_origin: TN
region: Tunisia
---

# 18mm razor-sharp snap-off blade custom ratchet lock with unlimited blade positions high-impact ABS handle with stainless steel channel 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:** 92.93 DT
**Availability:** ✅ In Stock

## Summary

> 🔪 Cut with confidence, lock in precision — never settle for less!

## Quick Answers

- **What is this?** 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?** 92.93 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/1701728-18mm-heavy-duty-utility-knife-l-1-multi-purpose-custom)

## 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

- • **Trusted OLFA Quality:** Original snap-off knife inventor with a lifetime guarantee and top-rated customer satisfaction.
- • **Precision Cutting Power:** Razor-sharp Japanese tool steel blade with 8 snap-off segments for sustained edge performance.
- • **Ergonomic & Durable Grip:** High-impact ABS handle designed for maximum leverage and comfort during heavy-duty tasks.
- • **Customizable Cutting Depth:** Innovative ratchet wheel locking system allows infinite blade extension settings for exact cuts.
- • **Versatile Industrial Strength:** Engineered to slice through drywall, roofing, flooring, rubber, and gasket materials effortlessly.

## Overview

The OLFA 18mm Heavy-Duty Utility Knife (L-1) features a razor-sharp Japanese carbon tool steel blade with 8 snap-off segments, housed in a rugged ABS plastic handle reinforced with a stainless steel channel. Its custom ratchet lock system offers unlimited blade depth adjustments, making it ideal for professional-grade cutting tasks across multiple materials. Backed by OLFA’s legacy and lifetime warranty, this tool is a must-have for precision and durability in any industrial or construction setting.

## 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.

## 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 | #13,678 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #78 in Utility Knives |
| Blade Material | Carbon Tool Steel |
| Brand Name | OLFA |
| Color | Yellow |
| Customer Reviews | 4.8 4.8 out of 5 stars (4,208) |
| Global Trade Identification Number | 00091511200195, 00091511600049 |
| Handle Material | Abs,Plastic,Rubber,Stainless-steel,Steel |
| Handle Type | abs plastic |
| Included Components | ........ |
| Item Length | 18 Millimeters |
| Item Type Name | ........ |
| Item Weight | 5 Grams |
| Manufacturer | OLFA |
| Manufacturer Part Number | 5003 |
| Manufacturer Warranty Description | guaranteed forever |
| Material Type | Plastic, carbon tool steel |
| Model Number | 5003 |
| Product Style | Fine |
| UPC | 091511600049 091511200195 |
| Unit Count | 1.0 Count |

## Product Details

- **Blade Material:** Carbon Tool Steel
- **Brand:** OLFA
- **Color:** Yellow
- **Handle Material:** Abs,Plastic,Rubber,Stainless-steel,Steel
- **Item Length:** 18 Millimeters
- **Item Weight:** 5 Grams
- **Material:** Plastic, carbon tool steel
- **Number of Packs:** 1
- **Style:** Fine
- **Unit Count:** 1.0 Count

## Images

![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

## 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.tn/products/1701728-18mm-heavy-duty-utility-knife-l-1-multi-purpose-custom](https://www.desertcart.tn/products/1701728-18mm-heavy-duty-utility-knife-l-1-multi-purpose-custom)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-07-07*