The Knipex 4611A4 retaining ring pliers are designed for installing and removing external snap rings on shafts with a diameter range of 85mm to 140mm. These heavy-duty pliers feature a total length of 320mm, providing excellent leverage and reach. Manufactured from chrome vanadium electric steel, oil-hardened for durability, they ensure reliable performance. The tips are precisely machined and non-slip, offering secure grip on retaining rings. The handles are plastic-coated for comfortable and safe operation. This tool is essential for professional mechanics and technicians working with large machinery components.