General description Disc brake tool combining two different functions to ensure that brake rotors can run freely and quietly through the caliper. This 2-in-1 brake tool features a rotor truing fork and a brake piston press, making it essential for brake maintenance. Technical specifications Material: Chrome molybdenum Functions: Rotor truing fork and brake piston press Usage Slotted end used to straighten a damaged or dented brake rotor. Wedge-shaped end used to push the brake disc pads apart and compress the pistons.