Master Mechanic 3/8" Wheel Arbor

Master Mechanic, 3/8" - 1/2" Utility Drive Arbor, With 1/4" Shank.Adapts 3" & 4" Wire Wheels With 3/8" Arbor Holes To Drill, For Use On 4" & 6" Buffing Wheels with 1/2" Arbors.
#842917