The HP440 Collet Set is for use with H.44, H.44T, H.44TSJ and H.44HT collet-style handpieces. It is also for use with BL Bench Lathe Adapters A-CHA-4 and A-CHA-5. This set adds great versatility since it accomodates different diameter shank burs and other accessories. The set includes these seven fractional and metric sizes:

Individual collets can be purchased separately..
Collet HP442     3/32"
Collet HP448     3mm
Collet HP443     1/8"
Collet HP445     3/16"
Collet HP444     5/32"
Collet HP449     6mm
Collet HP447     1/4"