TE Connectivity CERTI-CRIMP II Hand Crimping Tool for .058 Diameter PC Contacts CERTI-CRIMP II hand crimping tool for crimping .058 diameter PC contacts with a wire size range of 24-20 AWG. This CERTI-CRIMP II hand crimp tool has a straight action jaw closure, a CERTI-CRIMP ratchet mechanism, fixed and movable dies, terminal positioning aids and insulation adjustment. The CERTI-CRIMP ratchet mechanism stays locked until the handles of the crimp tool are completely closed ensuring the terminal is fully crimped, a ratchet release can be used for emergencies. The handle of this CERTI-CRIMP hand crimper has an ergonomic non-slip design.