Concealed blade safety knife featuring an adjustable blade positioning design which allows for 4 cutting points on a single-edge utility blade. Uses the OLFA SKB-10 blade, a single-edge blade featuring 1 blunt edge for safer handling. Made of high-quality Japanese grade carbon tool steel and designed for unparalleled sharpness and superior edge retention. Cuts materials up to 5/32" (4mm) thick. Stainless steel tape slitter for additional functionality. Ideal for cutting shrink wrap, plastic strapping, stretch wrap, nylon belting, sacks, bags, tape slitting. Acetone resistant for easy cleaning. Fits both right and left-handed users with no blade adjustment necessary. Tool-free blade change.