Check the listing for details. 5pcs Masonry Drill Bit 6mm Cross Drill Bits Tip Concrete Bit 100mm Black. Condition: New. Listed at 17.68 USD. Attributes:* Cutting Diameter: 6mm / 0.24"* Overall Length: 100mm / 3.94"* Shank Type: 1/4" Hex Shank* Tip Type: Cross Drill Bit Tip* Shank Material: High-speed Steel* Tip Material: CarbideWhat Is Included:* 5 Pieces x End Mill Router BitsApplications & Features:--- A 1/4-inch hexagonal shank masonry drill bit suits common electric, hand, and bench drills. It is easy to install and remove, and can easily drill holes in various materials such as concrete, glass, ceramics, cement, wood, bricks, hard plastics, etc.--- The drill tip is made of high-hardness carbide, and the surface anti-rust treatment makes it durable.--- Cross-shaped tip design reduces resistance and provides maximum cutting force and precision.--- U-shaped grooves and spiral designs can quickly remove drilling debris and dust, improving your work efficiency.