The brake caliper tool set is a professional tool kit for removing wheel brake cylinders. The tool consists of two screw presses (one clockwise and one counterclockwise) as well as a disc plate set for changing brakes for a variety of cars. The tool set comes in a blow-molded plastic case. Number of discs: 15. Size of discs: 10 mm, 63.5 mm, 51 mm, 55 mm, 32 mm, 42 mm, 48 mm, 54 mm, 30 mm.