Dremel 4485 Collet and Nut Set. 5 piece set contains:
1/32 inch collet
1/16 inch collet
3/32 inch collet
1/8 inch collet
Collet Nut is for use with all Dremel rotary tools except: Models 1, 2, and Series 1 or earlier Models 260, 270, 280 and 380-5.
Individual collets are compatible with Flex-Shaft Tool handpieces number 235 and 237.