General description Diamond Hole Saw Kit includes 10 pieces of high-quality diamond drill bits designed for cutting through various materials such as glass, tile, ceramic, marble, and granite. The kit features sizes ranging from 8mm to 50mm, making it versatile for different drilling needs. Technical specifications Material: Carbon steel with thick diamond coating Sizes included: 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 25mm, 50mm Wide Application Suitable for drilling holes in glass, wood, tiles, bottles, blocks, pots, ceramics, slate, granite, and light stone. Installation Compatible with standard electric drills (not included). Regularly add water while drilling on glass or ceramic to enhance performance and extend the life of the drill bits. Other information