Adapter For Drill Bit with water feed-through hole in center. Reduces 1-1/4in to 5/8in-11, shaft= 1/2in.FREE SHIPPING AVAIL.
Adapter For Drill Bit and Polishing Pad. Size= 5/8"-11, shaft= 1/2". This adapter will fit BIT 1 through 9 and 39 through 51