25264 Harmonic Balancer Puller Crank Pulley Puller Quickly Removes Tool For GM. Make the damper easy to disassemble. Type: Harmonic Balancer Puller. 1 Harmonic Balancer Puller. ★Superior Quality: Made of special carbon steel, the surface is sprayed with antioxidation and corrosion paint, corrosion resistant and very durable.