Universal Adjustable 2 & 3 Pin Brake Caliper Rewind Tool Kit Adjustable Auto Disc Brake Pad Caliper Piston Wind Rewind Back Replacement Tool for Audi BMW etc. ---Rotate pistons back into the caliper so that the disc brake pads can be easily removed and replaced. --- Attach the disc adapter and adjust to suitable range for your car, truck or 4 wheel drive vehicle and rotate the piston back into the brake caliper when installing new brake pads. ---The 2 and 3 pin can be adjusted the distance directly. "All range is 20~35mm (0.7~1.3inch)." Without finding the suitable drive adapter. ---Adjustable two pin adaptor fits 100 styles of cars. ---Adjustable three pin adaptor only to be used with Electronic Park Brake(EPB) tools. ---Fit most of 4 wheel drive domestic and import vehicles.