This product is a square drill bit, made of solid materials, safe and durable. It can serve you for a long time without being easily damaged. The product is an drill bit that can you , allowing you to have comfortable experience. Features -Color:Yellow -Material:Carbon steel, alloy -Size:16.00X1.20X1.20cm/6.29X0.47X0.47in -Size:16.00X1.00X1.00cm/6.29X0.39X0.39in -Size:16.00X0.80X0.80cm/6.29X0.31X0.31in -Size:16.00X0.60X0.60cm/6.29X0.24X0.24in -Size:16.00X0.50X0.50cm/6.29X0.20X0.20in - Multi-functional design: This drill bit is suitable for drilling various materials such as tiles, glass, stone, red bricks, etc., and can meet different needs. - The hexagonal handle design of this drill bit can avoid the drill bit from slipping, improving work efficiency and safety. - High hardness material: This drill bit is made of high hardness material, which has the characteristics of wear resistance, high temperature resistance and corrosion resistance, ensuring a long service . - Perfect drill bit for drilling in concrete, brick, glass, ceramic, tile and cement. - The excellent workmanship of our product will you a satisfying using experience and you happier mood. Package list: 1 x 5mm bit 1 x 6mm bit 1 x 8mm bit 1 x 10mm bit 1 x 12mm bit