---
product_id: 1839545
title: "18mm Heavy-Duty Ultra-Sharp, Snap Off Replacement Blades, 50 Blades (400 segments) LBB-50B - Snap-Off Utility Knife Replacement Blades, 25% Sharper than Silver, Fits most 18mm Utility Knife"
brand: "olfa"
price: "€ 57.58"
currency: EUR
in_stock: true
reviews_count: 8
category: "Olfa"
url: https://www.desertcart.es/products/1839545-18mm-heavy-duty-ultra-sharp-snap-off-replacement-blades-50
store_origin: ES
region: Spain
---

# 50 blades / 400 snap-off segments 25% sharper than standard blades Fits most 18mm utility knives 18mm Heavy-Duty Ultra-Sharp, Snap Off Replacement Blades, 50 Blades (400 segments) LBB-50B - Snap-Off Utility Knife Replacement Blades, 25% Sharper than Silver, Fits most 18mm Utility Knife

**Brand:** olfa
**Price:** € 57.58
**Availability:** ✅ In Stock

## Summary

> 🗡️ Slice smarter, not harder — stay sharp, stay ahead!

## Quick Answers

- **What is this?** 18mm Heavy-Duty Ultra-Sharp, Snap Off Replacement Blades, 50 Blades (400 segments) LBB-50B - Snap-Off Utility Knife Replacement Blades, 25% Sharper than Silver, Fits most 18mm Utility Knife by olfa
- **How much does it cost?** € 57.58 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/1839545-18mm-heavy-duty-ultra-sharp-snap-off-replacement-blades-50)

## 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

- • **Heavy-Duty Performance:** Engineered to cut through drywall, roofing, rubber, and more with industrial-grade reliability.
- • **Universal Compatibility:** Seamlessly fits most 18mm utility knives, ensuring versatile use across projects.
- • **Trusted Industry Standard:** From the original Snap-Off Knife inventor, OLFA guarantees durability and cutting excellence.
- • **Endless Sharpness on Demand:** 400 snap-off segments mean you’re always ready with a fresh blade—no downtime.
- • **Unmatched Precision Cutting:** Double-honed Japanese tool steel delivers razor-sharp edges for effortless slicing.

## Overview

OLFA’s 18mm Heavy-Duty Ultra-Sharp Snap-Off Replacement Blades feature carbon steel crafted with double-honed Japanese tool steel, offering 25% sharper edges than standard blades. This 50-blade pack provides 400 snap-off segments compatible with most 18mm utility knives, designed for precision cutting of heavy-duty materials like drywall and roofing. Trusted by professionals, OLFA sets the benchmark for durability and cutting performance.

## Description

desertcart.com: OLFA 18mm Heavy-Duty Ultra-Sharp, Snap Off Replacement Blades, 50 Blades (400 segments) LBB-50B - Snap-Off Utility Knife Replacement Blades, 25% Sharper than Silver, Fits most 18mm Utility Knife : Tools & Home Improvement

Review: Incredibly sharp. - Amazingly sharp. Considerably sharper than standard Olfa blades. These don't cut so much as glide through. Well worth the money.
Review: good buy - good product

## Features

- RAZOR SHARP 18mm HEAVY-DUTY BLADES - Crafted from Japanese tool steel and double-honed for extreme sharpness, OLFA 18mm Heavy-Duty Ultra-Sharp Black Snap Blades are 25% sharper than standard silver blades to help you work longer uninterrupted.
- CONTAINS 50 BLADES / 400 SEGMENTS - You'll receive 50 blades in this refill pack. Each blade contains 8 razor-sharp LBB Heavy-Duty Black Snap-Off segments (400 segments total). Simply snap for a new sharp blade edge.
- COMPATIBLE WITH 18mm KNIVES - LB Snap Blades are compatible with most 18mm knives. For best performance, pair OLFA 18mm blades with OLFA 18mm handles. Replacement blade available in quantities of 5 (LB-5B), 10 (LB-10B), 50 (LB-50B) or 100 (LB/CP100).
- CUTS A VARIETY OF MATERIALS - These replacement blades provide accurate and reliable cuts on heavy-duty materials like drywall, roofing, flooring, rubber, and more. Great for industrial use, contractors or construction, and other heavyweight jobs.
- 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 |
|---------------|-------|
| Blade Material | Carbon Steel |
| Brand | OLFA |
| Color | Black |
| Handle Material | Alloy Steel , Rubber |
| Item Length | 0.02 Meters |
| Material | Carbon Steel |

## Product Details

- **Blade Material:** Carbon Steel
- **Brand:** OLFA
- **Color:** Black
- **Handle Material:** Alloy Steel, Rubber
- **Item Length:** 0.02 Meters
- **Item Weight:** 8.8 Ounces
- **Manufacturer:** OLFA
- **Material:** Carbon Steel
- **Style:** Industrial
- **UPC:** 091511600377 091511500103

## Images

![18mm Heavy-Duty Ultra-Sharp, Snap Off Replacement Blades, 50 Blades (400 segments) LBB-50B - Snap-Off Utility Knife Replacement Blades, 25% Sharper than Silver, Fits most 18mm Utility Knife - Image 1](https://m.media-amazon.com/images/I/41ouWsZRhbL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Incredibly sharp.
*by F***R on April 17, 2025*

Amazingly sharp. Considerably sharper than standard Olfa blades. These don't cut so much as glide through. Well worth the money.

### ⭐⭐⭐⭐⭐ good buy
*by S***M on August 6, 2025*

good product

### ⭐⭐⭐⭐⭐ Simply the Best for every cutting need.
*by K***D on December 29, 2024*

The OLFA 18mm Heavy-Duty Ultra-Sharp Utility Knife sets the gold standard for cutting tools. Its superior blade sharpness is unmatched, effortlessly cutting through tough materials like 1" rubber roofing pads, sound-absorbing panels, weather stripping, and anything else you can throw at it. , the blade stays razor-sharp far longer than other brands. The OLFA 18mm Ultra-Sharp is an easy choice.

## Frequently Bought Together

- OLFA 18mm Heavy-Duty Ultra-Sharp, Snap Off Replacement Blades, 50 Blades (400 segments) LBB-50B - Snap-Off Utility Knife Replacement Blades, 25% Sharper than Silver, Fits most 18mm Utility Knife
- 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 18mm Heavy-Duty Utility Knife (L-2) - Multi-Purpose Custom Cutting Depth Precision Knife w/Rubber Inset for Increased Precision & Snap-Off Blade, Replacement Blades: Any OLFA 18mm Blade

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**Shop now:** [https://www.desertcart.es/products/1839545-18mm-heavy-duty-ultra-sharp-snap-off-replacement-blades-50](https://www.desertcart.es/products/1839545-18mm-heavy-duty-ultra-sharp-snap-off-replacement-blades-50)

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*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-02-22*