This kit has two applications: 1) holds steering wheel in position for alignment adjustments and 2) depresses brake pedal for various brake checks, including brake lamp operation. Rod easily slides in actuator for fast, easy installation of tool on brake pedal or steering wheel. Simply hand- squeeze the actuator to make fine adjustments. Kit includes: actuator assembly; extension rod for actuator (use when depressing brake pedal); hook assembly (hooks on steering wheel when depressing brake pedal or holding steering wheel); and flat pad (rests on front seal when holding steering wheel). Replacement parts: 4546-1 - Handle and Rod 4546-2 - Steering Wheel and Pedal Holder.