Fits many style yokes or flanges, axles or transfer cases including AMC, GM, Ford, Dana, New Process, and Yes the Ford 8.8 unlike the competitors tool. It is 3/8″ thick which is much thicker and stronger then the competition as well! Used to hold the yoke in place while applying torque on the nut/pinion nut and for setting bearing pre-load. Perfect for loosening stubborn pinion nuts or for high torque applications such as a crush sleeve that requires 250 ft. lbs. Uses a 1/2″ breaker bar and/or a 3/4″ pipe for leverage. Fits 1310, 1330, 1350, 1410, and many more sized u-joints yokes, and flanges. Includes Directions.