The Sealey Motorcycle Brake Piston Removal Pliers are used to extract brake calliper pistons without risk of damage to outer face of piston.Extract brake calliper pistons without risk of damage to outer face of piston.Fast and simple operation.Clamp screw allows pliers to be fixed into cup of piston for added pulling power.The Sealey Motorcycle Brake Piston Removal Pliers are used to extract brake calliper pistons without risk of damage to outer face of piston. It has a fast and simple operation. The clamp screw allows pliers to be fixed into the cup of the piston for added pulling power.