Olfa NL-AL non-slip, heavy duty 18mm snap off knife. The special Comfort Grip handle give you a firm hold on the knife even with gloved or wet hands. The knife also features an auto locking mechanism and is acid and aceton (oil) resistant.Fits the LB, LBB, LBD, LSOL and SWB 18mm snap off blades. It is perfect for cutting corrugated cartons, boxes, paper, cartons and all other types of packaging materials.