Ratchet-lock mechanism Pistol-shaped; high-impact ABS handle Stainless steel blade channel No tool blade change Preloaded with an LB silver snap-off blade._x000D__x000D_
With this OLFA® utility knife; you're not locked into a fixed depth; its ratchet-lock mechanism gives you unlimited blade positions. _x000D__x000D_
The knife has a double-honed blade for superior sharpness and edge retention. _x000D__x000D_
Use this utility knife for heavier materials including drywall; linoleum; carpet; flooring materials; insulation; and roofing materials and other construction materials.