For those interested in air impact hand engraving tools information
on a larger version of the Air Chasing Graver (called the Omega) has
just been uploaded. I thought some would enjoy reading about it.
The Omega Air Graver is at:
http://www.lindsayengraving.com/airgraver/Omega
Information on the original Air Chasing Graver is still at:
http://www.lindsayengraving.com/airgraver
Steve Lindsay