OLFA L-5/LBB-10B 18mm Ultra-Sharp Black Heavy-Duty Utility Knive / 10PK Blades

The OLFA L-5/LBB-10B 18mm Heavy-Duty Utility Knife Combo is a top choice for professionals who need a reliable cutting tool that stands up to daily abuse. Built with a fiberglass-reinforced pistol-grip handle, this knife features an 18mm ultra-sharp black snap-off blade, engineered for up to 25% more sharpness than standard silver blades. Whether you’re cutting drywall, linoleum, or heavy carpet, the stainless-steel blade channel ensures maximum blade stability and cutting performance.

Designed for demanding trades, this utility knife includes a ratchet-lock wheel mechanism for precision blade positioning, a wraparound anti-slip grip, and a metal multi-pick tool integrated into the handle for tasks like scraping caulk or popping open paint cans. The acetone-resistant body is built for durability in rough environments like MRO facilities and construction zones. The included 10-pack of LBB blades means you’re stocked and ready for extended use across a variety of materials.

OLFA 18mm Ultra-Sharp Black Heavy-Duty Utility Knive At a Glance

• Ultra-Sharp 18mm Black Snap-Off Blades: Delivers up to 25% more initial cutting power for cleaner, faster cuts
• Stainless Steel Blade Channel: Supports the full length of the blade to prevent flex during tough cuts
• Tool-Free Blade Change: Speeds up maintenance with easy snap-and-go usability
• Ratchet-Lock Wheel: Offers secure, adjustable blade extension at any length you need
• Fiberglass-Reinforced Handle: Lightweight yet extremely durable under stress
• Wraparound Anti-Slip Grip: Improves control and comfort during extended use
• Built-In Metal Multi-Pick: Ideal for scraping, prying, or paint can opening without damaging the blade

Markets

• Construction Ideal for cutting drywall, plastic sheeting, and insulation with high control and accuracy
• Flooring Installation The sharpness and grip are perfect for clean cuts through carpet, laminate, and vinyl flooring
• Electrical & MRO Maintenance Metal pick tool aids in cover removal and light prying, while the chemical-resistant body suits harsh work areas
• Educational Trade Programs Reliable and easy to use, making it a great training tool in carpentry or renovation trades
• Municipal Work Crews From trimming signage to repair prep, this durable knife handles outdoor and infrastructure jobs
• Packaging & Warehousing Cuts through tape, shrink wrap, cardboard, and strapping without breaking a sweat
• General Contracting A versatile choice for all-around site use—one tool for many tasks

Whether you’re laying carpet, trimming vinyl, or slicing through plastic wrap on the job site, this OLFA utility knife delivers performance and control that professionals depend on. Construction crews, flooring installers, and maintenance workers can benefit from the ergonomic design, built-in multi-pick, and fast blade change that keep workflow moving. Educational trades programs and city maintenance teams will also value the heavy-duty durability and safety of consistent sharp blades that reduce fatigue and boost accuracy in repetitive tasks.

OLFA L-5/LBB-10B 18mm Ultra-Sharp Black Heavy-Duty Utility Knive / 10PK Blades Features

• OLFA 18mm LBB Ultra-Sharp Black Snap-Off Blade, providing sharper initial cutting performance
• Stainless Steel Blade Channel
• No Tool Blade Change, easier and quicker blade change
• Wheel Lock Mechanism
• Wraparound Anti-Slip Rubber Grip and Acetone-Resistant Handle Materials
• Multi-Purpose Metal Pick

OLFA L-5/LBB-10B 18mm Ultra-Sharp Black Heavy-Duty Utility Knive / 10PK Blades Includes

• (1) L-5 18mm Ratchet-lock Fibreglass-Reinforced Snap-Off Knife
• (1) LBB-10B 18mm Heavy-duty Ultra-Sharp Black Snap-off Blades (10-Pack)

OLFA L-5/LBB-10B 18mm Ultra-Sharp Black Heavy-Duty Utility Knive / 10PK Blades Specifications

• Blade Size: 18mm Ultra-Sharp Snap-Off
• Handle Type: Fiberglass-reinforced, wraparound rubber grip
• Blade Count: Includes (10) LBB black blades
• Blade Lock: Ratchet-wheel style
• Metal Pick: Built-in multi-use tool
• Compatibility: Fits all standard OLFA 18mm blades
• Material Resistance: Acetone and chemical resistant
• Warranty: Limited Lifetime from manufacturer

OLFA L-5/LBB-10B 18mm Ultra-Sharp Black Heavy-Duty Utility Knive / 10PK Blades Warranty

• OLFA’s Limited Lifetime Warranty

Why Professionals Choose the OLFA 18mm Ultra-Sharp Black Heavy-Duty Utility Knive / 10PK Blades

This OLFA knife is a favourite for anyone needing a heavy-duty utility knife that won’t slow them down. It’s a go-to tool for tradespeople who deal with drywall, vinyl, flooring, or even opening packages day in and day out. The snap blade design means you always have a sharp edge ready, and you don’t need extra tools to change it. The built-in metal pick is a game changer—ditch the screwdriver or paint scraper and use the pick without damaging your fresh blade edge. It’s built to take a beating, reliable in a pinch, and designed to work as hard as the user.

Looking for a durable utility knife with extra blades included? The OLFA L-5 with 10-pack of LBB blades has your back for whatever the day throws your way.