Concealed blade design allows for safe, continual blade exposure on repetitive cutting jobs. Innovative four-position blade design delivers four cutting points on a single-edge blade for longer blade use. Impact-resistant Nylon 6 Polyamide handle is contoured for comfort. Thumb rest and anti-slip grooves for a stable grip. Includes a stainless steel tape slitter for additional functionality. Cuts materials up to 5/32″ (4mm) thick. Easy, tool-free blade adjustment and change. For use with the OLFA SK-10 blade. Ideal for cutting shrink wrap, plastic strapping, stretch wrap, plastic sheeting, leather, nylon, belting, sacks, bags, tape slitting.