Features<br>High-Efficiency Diamond-Material: Made with premium industrial-diamond for fast cutting, long service life, and precision-shaping, saving time and effort in stoneworking tasks<br>Versatile Stone Grinding: Perfect for grinding inner curves, arc edges, and sink holes on marble, granites, and engineered stone, especially after waterproof arc treatments<br>Fits Standard 100mm Tools: Compatible with angle grinders and polishing machines for easy installation and stable performance, ideal for pros and DIYers<br>Smoothing, Chip-Free Finish: Delivers a clean, polished surfaces without chipping, ensuring professional results before sealing or installation<br>Wide Application: Suitable for marble, quartz-stone and other countertops after the waterproof grinding<br>Notice:<br>1.Actual color may be slightly different from the image due to different light effect<br>2.Please allow 1-3cm deviation due to manual measurement<br> <br>Description:<br>Material: Diamondabrasive + high-manganese steel base<br>Specifications: 20mm grinding rod (coarse sand), 20mm grinding rod (fine sand), 30mm grinding rod (coarse sand), 30mm grinding rod (fine sand)<br>Size: 5x2x2cm, 5x2x2cm, 5x3x3cm, 5x3x3cm<br><br>Package List:<br>1x Precise Diamond-Brazed Finger Bit Grinding Wheel <br><br>