C k ratchet crimping pliers for insulated ferrules 10 25mm ck tools 430022 designed for the safe and secure crimping of boot lace ferrules to wire sized between 10 and 25mm2 the c k ratchet crimping pliers feature heavy duty body construction with hardened steel jaws guaranteed for up to 30 000 cycles factory set crimp pressures for the optimum connection safety full cycle ratchet mechanism for safe repeatable results and comfortable ergonomic handles ck tools 430022 ratchet crimping p