Toptul GAAI 0605 - 6 Pieces Interchangeable Ratchet Crimping Tool Kit – Ratchet mechanism crimper stands for superior labour saving feature. The system comes with a quick insertion changing of jaw option without any tool. This crimping tool kit consists of a Professional AISI 4140 Alloy steel crimping jaw. These tools come with an ergonomic comfort grip handle. The toolset is equipped with a ratcheting function and adjustable jaws.