This innovative drill bit features a unique design with sharp sawtooth edges, crafted from tungsten carbide alloy for exceptional durability. great for drilling through tiles and concrete, it offers precise and efficient performance. Ideal for home renovations, this drill bit is a must-have for anyone looking to achieve professional results with ease. Features -Color:Silver -Material:Tungsten steel alloy -Size:9.70X0.60X0.60cm/3.81X0.24X0.24in -Size:11.50X0.80X0.80cm/4.52X0.31X0.31in -Size:12.00X1.00X1.00cm/4.72X0.39X0.39in -Note: 6 mm; 8 mm; 10 mm; hole depth: 50 mm; 65 mm; 75 mm -Quick and smooth drilling: the unique design ensures rapid and smooth drilling, improving work efficiency -Highly durable: crafted from tungsten steel alloy, these bits provide excellent wear resistance for prolonged use -Versatile drilling: suitable for tiles, concrete, and other materials, ideal for various home improvement tasks -Accurate and stable: the sawtooth design allows for precise positioning and minimizes drilling vibration -Easy storage and transport: comes in a set with different sizes, making it convenient to carry and store Package list: 1 x drill bit (6mm) 1 x drill bit (8mm) 1 x drill bit (10mm)