Professional Tools Sealey Premier Ratchet Adaptor 1/2" Drive 512Nm Torque 24 ToothRatchet adaptor capable of transmitting torque of up to 512NmSuitable for use with breaker bars, T-bars, extension bars and lug wrenchesThree-position control ring gives anticlockwise ratchet, clockwise ratchet and locked24-Tooth ratchet needs only 15� rotation to engage the next toothPhosphate finish for corrosion resistanceDrive: 1/2" Square DriveMaximum Torque: 512Nm (376lb.ft) *Knuckle bar not Included