This tool separates pistons in the calipers quickly and simply. Helps to push the brake caliper piston back squarely with no damage to the piston face. An essential tool for retracting the brake piston to allow insertion of new brake pads. Hard wearing adjustable blackened steel spreader plates and chrome screw with linking bar.● Can be used with a 1/2" socket drive e.g. on a 1/2" ratchet or power bar etc... ● Capacity from 0 - 2 1/2" (0 - 65mm). ● Can be used on all vehicle types and models. ● Suitable for most ATE / Bendix / Delco and Girling calipers. ● Alfa. Audi. Fiat. Ford. Nissan. Vauxhall. Opel. Reugeot. Porsche. Renault. Rover. VW. ● Professional tool for commercial or everyday use. ● Work with 1/2"Drive ratchet handle or 21mm spanner.