- Set of 12 multi-material drill bits with sizes of 3, 4, 5, 6, 8, 10, and 12 mm, perfect for drilling ceramic, porcelain, glass, marble, brick, metal, plastic, and wood. - Arrowhead tip ensures clean, precise, and slip-free drilling, minimizing the risk of damaging delicate surfaces. - Made with high-quality materials that guarantee durability and resistance even on hard surfaces. - Compatible with most electric drills on the market thanks to their universal shank. - Includes a sturdy plastic case to keep the drill bits organized and protected. - Ideal for professional and DIY work at home, construction, renovations, and installations.