Engineered for great performance, this tungsten carbide alloy drill bit features a unique design with sharp sawtooth edges. It at drilling through tough materials like tiles and concrete, making it ideal for home renovation projects. The great construction ensures reliable and use, meeting the needs of both DIY enthusiasts and professionals. 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 -Rapid drilling: the unique design provides quick and smooth drilling, making tasks more efficient - wear resistance: constructed with tungsten steel alloy, these bits are built to withstand wear and tear -Versatile applications: ideal for drilling in tiles, concrete, and other materials, great for home improvement -Accurate positioning: the sawtooth design allows for precise drilling and minimizes vibration -Convenient to carry: comes in a set with various sizes, making it easy to transport and store Package list: 1 x drill bit (6mm) 1 x drill bit (8mm) 1 x drill bit (10mm)