The Dremel Keyless Chuck allows you to quickly and easily change accessory bits on Dremel rotary tools without changing collets. It will accept all accessory bits with 1/32 inch to 1/8 inch shanks.
Use with rotary tool models 275, 285, 395, 398, 750, 770, and 780
Also use with Dremel attachments 212, 225, 575, and 961
