DescriptionThis Diamond Drill Bits is well made of high strength material with durable smooth processed for practical use. It removes a complete circle from glass, tiles, marble, granite, ceramic or other. Perfect for both professional and personal use.Feature- Color: Silver - Material: Alloy. - Size: 0.6x0.6x5cm - Made of premium alloy for durable and practical use. - Good performance and long life, superior performance and cutting strength. - Suitable for Stone, Tiles, Ceramics, Glass and Granite, etc processing.