This SP 64300 harmonic damper pulley holding tool has been developed to aid in the removal and installation of the crank bolt on Lexus & Toyota engines in cars, trucks and SUV's. The bolt is extremely tight and removal is difficult without the proper tool for the job. This tool allows the user to hold the crankshaft stationary while tightening the crank bolt with a torque wrench. This holding tool works with the following engines, for a list of all of Toyota's engines visit
Wikipedia.