It has two air lines and an Aux air line. NOTE: this is the older model gravermach made about 5 years ago. It does not have the airtach palm control system built in. The item "GRS GraverMach" is in sale since Friday, January 15, 2016.
This item is in the category "Jewelry & Watches\Jewelry Design & Repair\Jewelry Tools\Engraving Tools". The seller is "hflannery83hunter" and is located in Union, Kentucky.This item can be shipped to United States.