ROBERT BOSCH DREMEL CHUCK MULTI TOOL.

Quickly and easily change accessories on a Dremel rotary tool without changing collets with the Dremel Keyless Chuck. The 4486 Keyless Chuck eliminates the need for a collet and wrench when changing accessories. The steel 3-jaw chuck can be used with all Dremel rotary tools and can be used with all bits with a 1/32 In. to 1/8 In. shank. Ideal for light-duty accessories including drill bits, sanding drums, polishing wheels, wire & bristle brushes, cut-off wheels, and more. Can be used with Dremel 225 Flex Shaft and the 575 Right Angle attachment.