Knipex precision pliers for internal circlips in bole holes knipex 48 11 j1 these 140mm l precision circlip pliers from knipex are ideal for mounting internal circlips into oslash 12 25mm bores manufactured to a high standard the body and straight tips of the pliers come in chrome vanadium electrical steel which are both forged and oil hardened heavy duty in continuous operation offering up to 10 times longer service life compared to turned tips knipex 48 11 j1 precision circlip pl