Features: Engineered with high strength coated particles, this 10piece glass hole cutter set delivers exceptionals cutting precise and extended durability for professional performances in drilling applications. Featuring multiple diameter (10sizes) and integrated heat dissipation vents, these tile drilling tool ensures efficient cooling during operate while maintaining cleaning cut on glass, ceramics, and marble surfaces. Ideal for enthusiasts, professional contractors, and home renovators requiring reliability drill bits for precise installations like faucet fittings, lighting fixtures, or bathroom accessories. Perfect for bathroom remodels, kitchen upgrades, and craft projects where smooth boreholes are essential in fragile materials like porcelain tiles, or stone countertops. The universally round shank design enables quick compatibility with 6-8mm clamp power drills, making this hole cutter set must have for workshop toolkits and construction sites alike. Specifications: Component: Metal. Size:Approx.100x50x50mm/3.94x1.97x1.97inch Use scenario: home decoration, projects, repair and maintenance, artistic creation, and professional applications. Package Includes: 10pcs Hole Cutter note: Please allow 1-10mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.