This brushless micromotor from Grobet is a great for any stone setter or engraver. The micromotor offers high torque at low speeds, with minimal vibration. With speeds from 1,000 to 50,000 RPM, you are sure to get any job done that you need. With the push of a button, change from hand operation, to foot control. The handpiece is easy to change and work with. The machine can also be used in the reverse direction. Any bench jeweler wanting precise results will get great use out of this machine. Order today at Stuller.com/tools.