Feature: Manual variable speed adjustment function. Foot pedal controlled switch. Reversing any switch.| Automatic overload protection. Mainly used for jade jewelry Wood carving nuclear carving Amber beeswax Emerald agate Metal jewelry such as grinding, carving, polishing. low noise, high speed, low vibration, high torque, high efficiency, stable performance. Notices: 1.The handle must not be idling. The needle must be installed. 2.It is forbidden to use non-original accessories. 3.It is forbidden to strike hard, especially the handle mouth, and it is most afraid of throwing it to the ground. 4.Never refuel the bearing. 5.Keep a safe distance that children cannot touch. 6.Please keep the environment clean. 7.Do not overload the machine. 8.Prevent accidental activation. 9.Make sure the voltage at the outlet matches. 10.Do not touch it with your hands after starting the product. 11.Please stay away from water and fire. 12.Use goggles to prevent dust from being sprayed into the eyes during use. 13.The grinding head will gradually wear out. Please remove the old grinding head and replace the new one. 14.Please be sure to turn off the power when not in use to ensure safety.
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