VEVOR Flex Shaft Grinder 780W Rotary Tool 500-23000RPM Rotary Carver with 1/4″ 3-Jaw Chuck & Stepless Speed Foot Pedal Hanging Grinding Machine 131PCS Accessories for Jewelry Polishing Grinding DIY

780W PURE COPPER MOTOR: The 780W pure copper motor provides a wide speed range of 500-23000 RPM for the flex shaft grinder with high stability and precision for elaborate work. It comes with a heat vent to keep the machine from overheating & burning to prolong its service life.
THREE-JAW CHUCK & SHAFT: The flex shaft rotary tool has a high-precision 3-jaw chuck for higher compatibility and strong clamping force. Accessories ranging from 0.3-6.5 mm are suitable for the chuck to satisfy your different needs. And the flexible steel shaft with 100 cm length features good extension for precise connections.
STEPLESS SPEED FOOT PEDAL: The ABS plastic foot pedal for flex shaft hanging grinder is more secured than any metal variant due to its security-oriented material, which keeps from heat production or transfer. If you feel the speed adjustment is not very various, there is a screw on the pedal to adjust the constant speed and rotating speed.