Knipex Internal Snap Ring Pliers – 7 1/4″. KNIPEX 7 1/4″ Internal Snap Ring Pliers-Forged Tips (44 11 J2) are designed for installing or removing circlips in bore holes. These pliers are suitable for fitting snap rings into bores ranging from 3/4″ to 2 23/64″. They feature a solid forged style with non-slip straight solid tips that are forged as one part of the tool. The pliers body and tips are made from chrome vanadium steel which is forged and oil-hardened for durability. Additionally the pliers have a black atramentized finish for added protection.