The Beadsmith Micro Engraver, 6.25", Battery Operated (2xAAA), 2 Round Diamond-Tip Bits and Hex Key, Engraver, Polisher, and Mini Sander for Detail Metal Engraving, Wood Carving, and Jewelry Polishing

Comfortable contoured grip allows for greater control. Compact pen-like design. Battery operated. Hold the engraver as you would a pencil, with either your thumb or forefinger over the button. The button is very sensitive, so only a light touch is required to activate it. Touch the bit to the item to be engraved.