The Hultafors Hi-Vis Retractable Knife has a durable zinc housing with a screw wheel that makes it easy to open without using tools. Its angled design features a pronounced finger grip and narrowing tip for excellent grip when cutting. Ergonomically designed for the best possible level of safety, comfort and control. The handle of this retractable knife contains a practical, spring-loaded utility blade magazine that holds 10 spare blades (60mm). Few moving parts and magnetic fixings make changing and cleaning blades easy and the blade can be locked in 4 stages. Supplied with a pack of 10 blades. Colour supplied is random (Hi-Vis Green, Hi-Vis Red Hi-Vis Yellow)