GRS® TOOLS 004-895 GRAVERSMITH The GraverSmith engraving system offers basic work capability and pneumatic impact power for stone setting and engraving. It is ideal for production stone setters, multiple factory installations, and individual craftsmen on a budget. Reduces user fatigue, increases production, and improves quality. This system includes a foot control and air filter. It requires clean, oil-free compressed air with minimum 45 psi (3 bar) pressure and 1.4 cfm (40 liters per minute) flow. Electrical requirements are 100/240 V at 50/60 Hz. Stroke speed ranges from 400-8000 strokes per minute (SPM). Handpieces and Gravers sold separately.