12V Electric Engraver UL Protect your valuables with permanent ID, personalize handicraft or mark important items High-speed stylus glides effortlessly across metal, glass, plastic; like writing with a pen Ultra-hard diamond tip engraves virtually any surface - even glass, stone & hardened steel Super-lightweight (pen weighs just 2 oz), foam finger pads absorb vibration to improve accuracy 14,000 RPM 6-watt motor provides consistent power; AC-to-DC converter with 62" power cord