Precise Drilling - The specially designed drill bits ensure clean and precise holes in fragile materials like glass, porcelain tiles, and marble, reducing the risk of cracks or damages Durable and Efficient - Our drill bits are not only durable but also designed for efficiency, allowing for quick drilling and saving you time and effort in construction or renovation projects Versatile for Multiple Materials - The multi-size set covers various specifications, suitable for materials ranging from granite and quartz to ceramic tiles and acrylic, ensuring you have the right drill bit for every task Versatile Compatibility Design - With a round shank design, the drill is compatible with most common power drills and bench drills, perfect for DIY enthusiasts and professional craftsmen Wide Applications - The diamond core drill bits are ideal for dry drilling through materials such as ceramic tiles, porcelain, bathroom tiles, marble, glass, granite, stone, brick, and more