3M Roloc Shank 45102, Roloc Quick-Change Attachment, 1/4" Diameter (Pack of 5)
This shank has a 1/4" diameter to fit 1/4" collet chucks or drill chucks. It also has a 1/4"-20 external thread to fit Roloc disc pads with 1/4"-20 internal threads. Roloc quick-change attachment. Converted form: mandrels/spindles. Equipment - machines: die grinders, disc sanders.