Wall Lenk L96E-1 Engraving Tool 120 VAC Most convenient way to Mark your valuables Make identification marks permanent on Wood, plastic, aluminum, Copper, brass, ceramics, stone, iron, glass and other materials Markings will not fade, smear, or erase Adjustable reciprocating motor - 7200 strokes per minute Includes: 120 vac, 60Hz engraving tool, tungsten Carbide tip, (2) templates, user instructions 120VAC, 60Hz Engraving Tool Reciprocating Motor- 7200 Strokes Per Minute Permanent Marking NO Fade, Smearing, or Erasing Tungsten Carbide Tip