The HP600 Collet Set is for use with H.8, H.8SJ, H.28 and H.28SJ collet-style handpieces. Also for Collet Adapter Attachment A-69224. This set adds great versatility since it accommodates different diameter shank burs and other accessories. The set includes these four fractional and metric sizes:
Collet HP602     1/16"
Collet HP603     3/32"
Collet HP604     1/8"
Collet HP605     3mm
Individual collets can be purchased separately.