The Knipex 00 19 58 V01 CIRCLIP PLIER SET, 8 PIECE kit is used for securing metal circlips onto an object such as a shaft, axle, or bearing. It is composed of eight different pliers: Knipex 4411J1, 4411J2, 4411J2, 4421J21, 4611A1, 4611A2, 4621A11, and 4621A21 Circlip Pliers. There are no SVHCs (Substances of Very High Concern) in the product.