engraver set and
the Artisan engraver set are:
ArtGraver set comes with the tungsten piston, a short collet, a
long of collet, an adapter for the long collet, and is engraved.
A stainless piston can be purchased separately for it.
AirGraver set comes with a stainless piston installed. A
tungsten piston can be purchased separately. The Artisan uses
one size of collet, and the handpiece is not engraved.