ADAPTER 3/4-DR 3/4F-1/2M|These ¾" Impact Drive Adapters from Williams have two different designs to choose from. The #6-4A adapter has a spring plunger in the male drive. The #6-7 adapter features a thru hole for use with a retainer pin and O-ring, or with a Williams RET RING.
Square Female=3/4 in.|Square Male=1/2 in.|Unit of Measure=EA|Weight=0.6400|Brand=J H Williams|Length=2-1/2 in.