Disc Brake Pad Installation Spreader Caliper Piston Compressor CP131018E by i_s import Warranty: 1 year warranty and friendly customer service Material: Chemically blackened steel spreader plates, chrome screw with linking bar Use With Tommy Bar / 1/2" Inch Drive Ratchet Or 21mm Spanner. Capacity: 0 - 2.5" (0 - 65mm) Applications: Alfa, Audi, Fiat, Ford, Nissan, GM (Vauxhall/Opel), Peugeot, Renault, Rover, VW, Porsche Easy to use: Helps push the brake caliper brake piston back squarely with no damage to the piston face