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.