General description These 3X 5/8 Inch Diamond Grinding Head Helix Bits are designed for grinding and polishing ceramic and glass surfaces. Made with high-quality diamond material, they are ideal for deep processing in the glass industry. Technical specifications Color: Gold Material: Diamond Size: 5/8 Inch Measurement allowed error: +/- 1-3 cm Compatibility and accessories Includes: 3 x Grinding Head 3 x Wrench Other information Note: Light reflection and different displays may cause the color of the item to differ slightly from the actual product.