Olfa Heavy-Duty Ratchet-Lock Utility Knife with Grip

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 the blade tight. It includes high-grade carbon tool steel snap-off blade providing a new sharp edge with each snap. The blade is easy to replace and the knife will accommodate most heavy-duty 18mm blades.