Model No: AK7970. Extension Bars; 75, 150mm, 1/4"Sq Drive 72-Tooth Flip Reverse Ratchet Wrench with Quick Release, Universal Joint, Spinner Handle, 3/8"Sq Drive - 1/4"Sq Drive Male T-Bar Adaptor. Features 72-tooth flip reverse ratchet wrench with push-button quick release, extension bars, universal joint and T-bar adaptor.