18mm Heavy Duty Snap-Off Replacement Blades – 50 Pack (550 Segments) Ultra Sharp Utility Knife Refills for Drywall, Roofing, Flooring, Rubber & More – Fits Most 18mm Box Cutters & Snap-Off Knives

Tackle demanding cutting tasks with ease using our 18mm Heavy Duty Snap-Off Replacement Blades – built for precision, power, and professional performance. Made from high-carbon steel, these ultra-sharp blades stay durable and strong cut after cut. Each blade features 11 breakaway segments, giving you a fresh, razor-sharp edge in seconds. With 10 total cutting edges in one pack, this is the ultimate solution for contractors, construction crews, and serious DIYers. Designed for universal 18mm utility knives, these replacement blades are perfect for professionals who rely on consistent, clean cuts across a variety of tough materials. Common Uses Include: Cutting drywall and sheetrock Trimming roofing felt and shingles Slicing flooring materials like vinyl or laminate Shaping and trimming rubber sheets Cutting insulation, foam board, plastic, and more Whether you're working on a construction site, in a workshop, or at home, this 50-pack delivers the reliability and precision you need to work efficiently—no matter the task. Upgrade your cutting game with blades that last longer, stay sharper, and perform under pressure.

• Razor Sharp 18mm Heavy Duty Blades - Egineered for clean, accurate cuts on heavy-duty materials including drywall, roofing, flooring, rubber, insulation, plastic, and more.
• High Segment Count – 50 Blades with total 550 Breakpoints – Each pack includes 10 ultra-sharp blades with 11 snap-off segments per blade for long-lasting performance and reduced downtime.
• Ultra-Sharp Carbon Steel Edge – Crafted from premium high-carbon steel for superior sharpness, strength, and durability in demanding job site conditions.
• Universal 18mm Fit – Compatible with most standard 18mm utility knives, snap-off box cutters, and retractable blades used by contractors and professionals.
• Ideal for Heavy-Duty Use – Trusted by construction crews, flooring installers, roofers, and industrial workers for maximum cutting efficiency and reliability.