Knipex 97 90 05 crimping pliers 180mm knipex 97 90 05 these crimp assortments and crimping pliers from knipex are for end sleeves 97 71 180 ferrules equipped with a t loc fastener for one handed operation open or close the systainer reg with one turn and connect to a second systainer reg supplied in a tanos mini systainer reg solid plastic box knipex 97 90 05 crimp assortments for end sleeves ferrules