1/8 TO 3/32: Adapter has 1/8" shank accepting tools with 3/32" shanks.

The 1070 Micro Motor operates at speeds up to 38,000 rpm in both forward and reverse rotation.  Bur changes are quick and easy with a simple twist of the handpiece locking ring.  Our 1070 comes with a 1/8" collet and we recommend you also purchase a 1/8 to 3/32 collet adapter.