Rotates Piston Back Into the Caliper When Replacing Pads. A new side has been added and one side has been modified. This tool now fits more applications. Used on vehicles with four wheel disc brakes. Fits most domestic and some import applications. Push and turn tool to rotate piston into caliper. Use with 3/8" * Can use a 25110 for 2008 Mazda 05/ has a 3/8" drive. The 28600 won't work.