SPEC Material: Carbide Sand Compatible Equipment: Hand Drills, Bench Drills, Flat Drills Applicable Materials: Glass, Glazed Tiles, Ceramics, Tiles, Marble, Granite, Microcrystalline Stone, Quartz Stone FEATURES COARSE SAND BRAZING FOR PRECISION: Equipped with 40-grit carbide brazing, the bits provide sharp, precise cuts, ensuring superior durability and longevity for tough materials with each use. EFFICIENT CHIP REMOVAL and HEAT DISSIPATION: The large chip removal design enhances debris flow, preventing overheating, ensuring smooth and quick drilling, while also improving cutting efficiency for fast, clean results. DUAL WET and DRY APPLICATION: Suitable for both dry and wet conditions, this kit offers flexibility for various materials and drilling environments, allowing for efficient and optimal performance in any situation. ANTI-SLIP SHANK FOR SECURE FIT: Featuring a triple-sided anti-slip shank, the bits ensure a secure fit with hand drills and bench drills, providing stability and safety during your drilling process. VERSATILE USE: Ideal for drilling through glass, ceramic, tiles, porcelain, marble, granite, and more, this 12-piece kit is perfect for both DIY projects and professional drilling tasks. Package Include: 1set Hole Saw Drill Bits Kit Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.