A slim, aluminum tube that provides the optimal grip for holding a bit in a Dremel rotary tool.

– The collet features small identification rings around its shank
– These rings correspond with the size of the collet: 0 rings = 1/8in., 3 rings = 3/32in., 2 rings = 1/16in., 1 ring = 1/32in.
– Collets are compatible with 225 Flex-Shaft attachment
– For use with all rotary tools except discontinued Models 1, 2, and Series 1 or earlier of discontinued Models 260, 270 and 280