Knipex 00 19 57 precision circlip pliers set 4 piece knipex 00 19 57 this 4 piece precision circlip pliers set from knipex features four common precision circlip pliers designed for the highest requirements supplied in a tool roll made of hard wearing polyester fabric the set includes two pliers for internal circlips in bore holes and two pliers for external circlips on shafts knipex 00 19 57 precision circlip pliers set 4 piece