The Tajima VR103 Retractable Safety Knife features a one-piece rugged cast metal handle that is contoured for optimal grip. The one-piece design ensures ease of use and no loose parts that fall out or fail. The handle features an eyelet for attachment to lanyards or safety straps. The hinged handle opens easily with a side-mounted lock. It has a magnetic blade retainer that prevents accidental blade drop when the handle is opened. The spring-loaded spare blades safety clip also ensures blades remain in prime condition while stored in the handle. This utility knife comes with 3 V-REX premium utility knife blades and can also take VRB10 blades or HKB50B hook blades.