IWISS SN-28B Dupont Terminal Ratchet Crimper 0.1-1.0mm &sup2;(AWG28-18) for 2.54mm 3.96mm KF2510 connector Wire-electrode cutting die sets promise a high-precision Crimping result The components of the ratchet crimping tool are made of special steel. For 2.54mm 3.96mm KF2510 connector Designed according to human factors engineering,it can save 50% energy when crimping. Precise crimping die sets and integral lock with self releasing.