Assists in replacement of brake pads on most 4-wheel disc brake cars. Tool and adaptors position brake piston back into caliper to allow clearance for newer, thicker brake pads. Designed for most Audi, Chrysler Corporation, Ford, GM, Honda, Jaguar, Mazda, Mini Cooper, Mitsubishi, Nissan, Saturn, Subaru, Toyota, Volkswagen and Volvo. Set includes one tool and seven adaptors in a storage case.