The spindle nut socket set includes socket sizes 1-1/4", 1-3/8", 1-7/16", 1-1/2", 1-9/16", 1-5/8", 1-11/16", and 1-3/4", perfect for tightening axle nuts and bolts efficiently. Each socket of the axle nut socket set is clearly stamped with its size for quick identification.