Rear Disc Brake Caliper Tool For Rotating Pistons Back into the Caliper to Provide Clearance for New 

Includes 5 adapters (available individually) for use in both 2 and 4-wheel rear disc brake assemblies of most domestic and import cars.

Tool may be used "on" or "off" the car. A real time saver that makes this tough job easy. Helps prevent damage to the piston and boot.