Knipex circlip pliers for bore holes angledstraight knipex 44 21 j21 these 170mm l circlip pliers from knipex are ideal for mounting circlips into oslash 19 60mm bores manufactured to a high standard the body and angled tips of the pliers come in chrome vanadium steel which are both forged and oil hardened knipex 44 21 j21 circlip pliers for internal circlips in bore holes 170mm