You are Buying a Brand New And factory Sealed Milwaukee Ratcheting Modular Crimper Consistent & Accurate Crimps Model # 48-22-3075.... designed for installing RJ11 and RJ45 modular jacks and delivers CONSISTENT & ACCURATE CRIMPS. This unique design allows you to apply equal force when performing crimps. An in-line design head that gives you improved visibility and easy access for jack removal. The ergonomic grips allow users to comfortability crimp.