In just a few hours even a beginner can be cutting clean, sharp lines; a tremendous time saver for pros. A miniature, self-contained jack-hammer with precise control of stroke power and speed; cut delicate lines or remove heavy background material. Mfg: Grs SPECS: 115V, 60Hz. 16" (40.6cm) long, 9" (22.9cm) high, 7" (17.8cm) deep. Includes: Power Unit, Hand Tool, Connection Tubing, Power Cord. Accepts most standard gravers.