The kit comes with the tried and tested high speed engraving tool GG 12 (12-18V, 20,000 rpm, fitted in a ball bearing assembly) powered by the included AC adapter (12V, 0.5A), patterns and instruction booklet as well as all necessary bits: 1 each 1/32" and 5/64" (1.0 and 1.8 mm) diamond grinding bits with spherical head for engraving and
