Heavy-Duty Ratchet-Lock Utility Knife with Rubber Grip Insert (L-2) - Good For: cutting paper, cardboard, roofing, drywall, vinyl, acetates, etc. The original and popular OLFA snap-off cutter. The brother to OLFA L-1, this sure-grip heavy-duty utility knife features a ratchet wheel blade lock, an anti-slip rubber grip insert and a heavy gauge stainless steel blade channel that holds blade tight. Includes highest grade carbon tool steel snap-off blade - a new sharp edge with each snap. Easy, tool-free blade change for convenience.