The Würth 071557270901 Piston Ring Pliers 850-ST 3 are a high-quality, genuine Würth tool designed for the precise installation and removal of piston rings. These specialized pliers are suitable for piston rings with a diameter range of 110 mm to 160 mm, making them ideal for various engine maintenance and repair tasks. Crafted from durable special steel and featuring a galvanised surface finish, the pliers offer excellent corrosion resistance and a long service life. With an overall length of 220 mm and a weight of 0.3 kg, they provide comfortable handling and robust performance for professional use.