8″ Anvil for Super Singles Wheels. Provides 1,800 ft-lb maximum torque and 2,000 ft-lb of loosening torque, Low maintenance pin-less hammer provides ultimate reliability and added hitting power, Features enlarged inner cavity of rotating “D” handle grip, Combined forward/reverse and power management switch, Triple heated Ni-Cr-Mo alloy steel hammer mechanism parts and anvil provides ultimate reliability, Combined through hole and friction ring socket retainer. 2 Year Warranty