This is the most versatile safety wiring kit available, and it belongs in every professional's tool kit. It includes three Safetytwist ® non-reversible wire twister pliers that will cover any application. The kit includes a 6" Mini Twister with tapered nose, a 9" Spring Return Twister, and the 13W specialty twister that is adjustable from 9" to 12". Also included are three 1/4 lb. spools of annealed stainless-steel wire (.020",.032",.041"). It's all packed in a durable plastic carrying case. (NSN 5180-90-986-8939).