SAFETY WIRE/1 lb can, Diameter: .020, Type: 302, 304, stainless steel, Mil-Spec: MS20995C. 34-0200-1BLC

Safety wire/lock wire is used to ensure fasteners have been properly tightened. This type of positive locking device serves as a safety wiring mechanism to prevent the fastener from falling out or loosening.  The safety wire is typically threaded through the fastener hole then twisted to a part or another fastener then is twisted again.