Mini electric engraving pen model JQ-6 with 480 W rated input, AC-powered at 220 V and 50/60 Hz. No-load speed about 30,000 rpm and collet accepts 0.5–6.0 mm (0.02–0.24 in). Rated torque 55 N m (approx. 40.6 ft lb). Weight about 1 kg (2.2 lb). Suitable for cleaning, grinding, carving, sharpening and cutting in home DIY projects; customizable. Brand WARSLEY.