Package Includes - You will receive 5 ceramic tile drill bits 1/4, 4 of which are 6.7 cm/ 2.6 inches long, and 1 cross drill is 7.8 cm/ 3.07 inches long, and their drill diameter is about 1/4 inch (6 mm) Diamond Drill Bit - The granite core bit is made of diamond, which is durable, not easy to wear, deform, and corrosion-resistant, and can be used for a long time Efficient Drilling - The glass diamond drill bits for glass have hardness and sharpness, fast drilling speed, can quickly break rocks, and has high work efficiency Versatile Application - The masonry diamond bit is suitable for drilling on porcelain, ceramics, marble, glass, and hard plastics Suitable for Most Tools - 1/4 in diamond hole saw are suitable for most electric drills, hand drills, wired drills, wireless drills, bench drills, etc

Color: Black

Material: Diamond drill bit

Product size: Drill bit length 6.7cm, cross drill bit length 7.8cm, drill bit diameter 6mm