FAST & DURABLE- TOOLANT High-quality YG8X tungsten carbide drill bit tip ensures durability and long life. Sharpened side edges maximize carbide surfact contact for faster drilling SATISFY ALL YOU DEMAND - Includes 7pcs of 6 inch long masonry drill bits with 5 different sizes of drill bits, 5/32", 3/16", 1/4" 5/16", 3/8", suitable for home DIY and various drilling needs SHOCKPROOF STRUCTURE -Provides excellent stability, ensuring accurate and smooth drilling. Very suitable for hammer mode WIDELY USED - TOOLANT Concrete drill bit set is ideal for drilling holes in concrete, brick, glass, ceramic, tile and cement WARRANTY - TOOLANT genuine masonry&concrete drill bit set. Do not hesitate to contact us via massage for any issues TOOLANT Concrete Drill Bit Set & Masonry Drill Bit Set, Shockproof Hex Shank Drill Bit Set (7pcs) for Glass/Brick/Plastic/Cement/Tile, Industrial Strength Carbide Drill Bit Tip, 5/32"-3/8" Box of 7