Features Superior Hardness and Durability: Crafted with a hard carbide tip, these bits provide exceptional toughness for drilling through concrete, ensuring long-lasting performance in tough materials Fast Drilling Efficiency: Experience a drilling speed that's 2x faster than standard masonry drills, allowing you to complete projects in less time without compromising quality Convenient Storage Solution: Each set comes with a slot storage box, making it easy to organize, carry, and access your drill bits whenever you need them Versatile Application: Perfectly designed for drilling holes in bricks, cinder blocks, and tiles, making them an essential tool for construction, industrial tasks, or DIY home projects Professional Grade Performance: These professional drill bits are suitable for heavy-duty use, ensuring reliable results for both experienced contractors and weekend warriors alike Features: 1、Hard carbide tip for concrete, with high hardn. 2、Drilling speed is twice that of standard masonry drills. 3、With a slot storage box, easy to carry and use. 4、Used for drilling holes in bricks, cinder blocks and tiles. 5、Profional drill bits, suitable for construction, industrial or DIY. Specification: Description: The masonry drill bit has hard carbide tip, making it used for drilling holes in concrete, brick, stone, etc. It is mainly used for construction, industrial or DIY. Feature: Hard carbide tip for concrete, with high hardn. Drilling speed is twice that of standard masonry drills. With a slot storage box, convenient to carry and use. Used for drilling holes in bricks, cinder blocks and tiles. Profional drill bits, suitable for construction, industrial or DIY. Specification: Material: carbide Quantity: 15pcs Color: silver Weight: Approx. 427g Bits Size and Quantity: m 3pcs 4mm 3pcs 5mm 3pcs 6mm 2pcs 8mm 2pcs 10mm 2pcs Package Includes: 15 x masonry drill bits 1 x blue plastic box Note: Due to the difference between the monitors and light effect, the picture may not reflect the actual color of the item. Thanks for your understanding. Package List