TE Connectivity CERTI-CRIMP II Hand Crimping Tools for AMPLIMITE HD-20 & HD-22 Contacts CERTI-CRIMP SAHT hand crimping tools for crimping AMPLIMITE HD-20 & HD-22 terminals with a variety of wire size ranges.These CERTI-CRIMP XXXX hand crimp tools have 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 assuring the terminal is fully crimped, a ratchet release can be used for emergencies. The handles of these CERTI-CRIMP hand crimpers have an ergonomic non-slip design. Stock number 864-3743 is for crimping AMPLIMITE HD-20 terminals, AWG 28-24 Stock number 782-9741 is for crimping AMPLIMITE HD-20 terminals, AWG 28-24, AWG 24-20 (also features flip locator) Stock number 782-1154 is for crimping AMPLIMITE HD-22 terminals, AWG 28-26, AWG 24-22