engraving machine 1.easy to use 2.high quality results 3. ... Z axis: 0.00125 mm/step (0.0005 in./step)Spindle motorBrushless DC motor, maximum 50 WSpindle speed5,000 to 20 ... regulator nose (nose unit), nose-unit retainer (retaining screw, spring), spare mounting screw (for the cutter holder), character cutter (diameter 3. ... Guide, Roland EngraveStudio™ Program Guide, and User's Manualengraving machine