Product                                                                 Number       Description

11400     3/8" hex shank arbor, 1/2" X 20 thread

11500     7/16" hex shank arbor, 1/2" X 20  thread                   (fits 9/16" - 1-1/8" hole saws)

11600     7/16" hex shank arbor, 5/8" X 18 thread

11700     7/16" hex shank arbor, 5/8" X 18 thread                     (quick Lock)