This brake piston compression tool is designed for replacing brake pads, resetting brake pistons, and turning pistons back into the caliper on cars, trucks, and 4 wheel drive vehicles with disc brakes. Key benefits Reliable brake service: Enables easy pad replacement by retracting pistons and creating the pad spacing. Broad compatibility: Includes 11 adapters, 1 retaining plate, and 1 right thrust bolt arrangement to fit hundreds of domestic and import vehicles. Durable construction: Made from durable steel with wear and corrosion resistance for long service life. Simple operation: Attach the plate to the handle, select the appropriate adapter for your vehicle, and turn the handle to push the pistons back into the saddles. What's included 11 adapters 1 retaining plate 1 right thrust bolt arrangement How to use Attach the plate to the handle. Choose the adapter suitable for your vehicle. Turn the handle to turn the pistons back into the saddles to create pad spacing. 23 practical use scenarios Replacing brake pads on a sedan or compact car with disc brakes: use the correct adapter to retract and reset pistons, allowing pads to fit properly. Servicing an SUV or light truck: handle caliper pistons and restore proper spacing after pad replacement with the appropriate adapter. or home garage brake maintenance: versatile tool suitable for hundreds of domestic and import vehicles, enabling efficient brake caliper service during routine pad replacement.