The Dremel Chuck holds Dremel accessories without using a collet eliminating having to use the wrench and creating quick and easy accessory changes
Accepts all accessory bits with 1/32" to 1/8" shanks
Use with rotary tool models 275, 285, 395, 398, 400 750, 770, 800 and 780
Can also use with Dremel attachments 212, 225, and 575