18mm Heavy Duty Ratchet Lock Utility Knife - Professional Retractable Box Cutter for Construction, Warehouse, Shipping & DIY Projects - Sharp Replaceable Blade for Cutting Cardboard, Carpet & Packaging Materials

This popular, heavy-duty cutter features a contoured ABS handle and a ratchet wheel blade-lock. The professional strength, stainless steel blade channel secures the blade for the toughest of cutting jobs. Easy, tool-free blade change. Blade refills sold separately.

Blade is made of high-quality Japanese grade carbon tool steel and designed for unparalleled sharpness and superior edge retention. Long lasting and durable - a new sharp edge with just a snap. 

Good For: cutting paper, cardboard, roofing, drywall, vinyl, acetates, etc.