The advanced design of this tungsten carbide alloy drill bit, ensuring precise and efficient drilling. Suitable for use on tiles and concrete, it is great for various home improvement tasks. Its robust construction makes long-lasting performance, making it a valuable addition to any toolkit. 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 -Efficient drilling: the unique design offers faster and smoother drilling, enhancing productivity -great construction: made from tungsten steel alloy, these drill bits are highly wearresistant and great -Multipurpose use: great for drilling into tiles, concrete, and more, suitable for various home projects -Precise and steady: the sawtooth design ensures accurate positioning and reduces vibration during drilling -Portable set: includes multiple 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)