This is the ultimate scribe attachment. The Jeweler uses true linear rail and has adjustable down pressure. This attachment is available for all Star Lab machines. It will also retro fit on existing machines bought from 2012-present. Kit includes necessary air regulators, hoses, scribe mount, air cylinder, scribe, high grade stainless mount hardware, linear rails and truck and diagrams with post processor details. A GREAT way to scribe bend lines, art and part numbers.