5/16" x 15/32" x MT2 ECLIPSE BAYONET LOCK SPOT FACER PILOT ARBOR TOOL HOLDER
SPOT FACER HOLDER. MT2 - #2 Morse Taper Shank. BAYONET LOCK DRIVE. Also, the locking drive slot has been ground slightly wider than originally manufactured as seen. For use holding spot facers or countersink cutters.