Spindle Socket, Dana 60, 4 Lug, 1/2" Drive, (648477)Spindle Socket, Dana 60, 4 Lug, 1 2" Drive Spindle Nut Socket 4Lugs Inner For Easy Removal Of Spindle Nuts. 4 Lug, 2 1 2" Inner Diameter, 1 2" Drive Fits The Following Vehicles: Ford F250 350 With Heavy Duty Axles 1985 And Newer; Ford F350 (Late Models) With Dana 50 Or 60 Axle; Chevrolet And Gmc 30 Series 1987 Only Made from quality materials Durable and long lasting For easy removal of spindle nuts; Not for impact wrench use 4 lug, 2 1 2 inch inner