Knipex precision pliers for internal circlips in bole holes knipex 48 31 j2 these 180mm l precision circlip pliers from knipex are ideal for mounting internal circlips into oslash 19 60mm 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 this version features an overexpansio