Knipex circlip pliers for large internal clips 580590mm knipex 44 20 j51 these 590mm l circlip pliers from knipex are ideal for mounting large internal circlips into oslash 122 300mm bores manufactured to a high standard the body of the black powder coated pliers comes in high strength rolled steel while the angled tips are made of special tool steel oil hardened knipex 44 20 j51 circlip pliers for large internal circlips angled tips 590mm