This great tungsten carbide alloy drill bit is designed with unique structure and sharp sawtooth edges for precise and efficient drilling. great for tackling tiles and concrete, it is an essential tool for any home improvement project. Its great construction makes performance, providing reliable results for both DIY and professional use. 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 -Highspeed drilling: the unique design ensures fast and smooth drilling, improving efficiency -Exceptional durability: made from tungsten steel alloy, these drill bits offer excellent wear resistance for longterm use -Wide application range: suitable for drilling into tiles, concrete, and more, ideal for home renovation projects -Precision and stability: the sawtooth design provides accurate positioning and reduces drilling vibration -Portable and easy to store: includes different sizes, making it convenient to carry and keep organized Package list: 1 x drill bit (6mm) 1 x drill bit (8mm) 1 x drill bit (10mm)