Resetting brake pistons when changing brake pads The extra-long rotating spindle has a universal 3/8" (10.0 mm) external square drive This allows the rotating spindle to be used in a variety of ways with other adapters suitable for many different vehicle types The brake piston turning device is used to push the brake piston back onto the floating calipers when changing the brake pads of a disc brake Suitable for: Alfa Romeo, Audi, Citroën, Fiat, Honda, Jaguar, Mazda, Mitsubishi, Nissan, Peugeot, Renault, Rover, Saab, Seat, Subaru, Toyota, VW, Volvo.