Can remove broken studs with just a few threads exposed
15 piece set includes (1) adapter and (14) threaded collets
Includes a heavy-duty storage case
For the following threads sizes: 1/4� x 20 1/4� x 28 5/16� x 18 5/16� x 24 3/8� x 16 3/8� x 24, 7/16� x 14 7/16� x 20 1/2� x 13 1/2" x 20 9/16� x 12 9/16� x 18 5/8� x 11 5/8� x 18
