Electric Engraver, Product Type Engraver Kit, Compatible Workpiece Material Ceramic, Glass, Leather, Metal, Plastic, Wood, Power Source Corded, Collet Size 1/16 in, 1/8 in, Maximum Strokes per Minute 2,200 stroke/min, Speed Settings Variable, Tool Length 5 1/8 in, Tool Weight 0.5 lb, Includes (13) Engraving Accessories, Polishing Compound, Wrench, Cord Length 6.5 ft, Current 0.5 A, Features Narrow Profile and Soft Grip, Speed Control, Lightweight, Maximum Motor Speed 22,000 RPM