The Dremel Multi Chuck allows you to quickly and easily change accessory bits on Dremel rotary tools without changing collets or using a wrench. This Dremel chuck will accept all accessory bits with 0.4mm to 3.2mm shanks. 1/64" to 1/8" shanks. (Officially, Dremel say the chucks will hold from 0.8mm, but from thorough testing, they hold shanks from as small as 0.4mm) Tip: If you use any accessories with a 2.35mm (3/32") shank size or change drill bit sizes often, then the Dremel Multi Chuck is for you! Compatible for use with all Dremel rotary tool models (except 4200), including our recommended model: Dremel 3000 Also for use with the following Dremel attachments: Dremel Flexible Shaft 225 and Dremel Right Angle Attachment 575. ***This is a genuine Dremel Multi Chuck 4486 in original Dremel packaging. Beware of cheap imitations*** "The Dremel Multi Chuck is fantastic and I use it all the time, saves a tonne of time changing collets" - Gavan Murphy
