3. High Accuracy The drill grinder adopts a precision polishing head, which can accurately control the grinding depth and angle, which ensures a more accurate polishing effect. 2. Efficiency: The drill grinder uses high-speed rotation for sharpening, which can quickly polish the workpiece to smooth and smooth, improving work efficiency. 4. Strong Durability The drill grinder is made of high-quality materials, not easy to damage, and will not show performance degradation after long time use. 1. Versatility: The drill grinder can not only be used to grind hard materials, which can also be used for grinding, grinding and polishing to achieve a variety of process requirements. 5. EASY TO OPERATE - The drill grinder is designed to be simple and easy to operate., Weight: 0.24912235606 pounds, Manufacturer: Rtxbvg