Specification Brand : CXML&DASHE BulletPoint1 : 【High Hardness Eccentric Drill Bit】The precision-ground drill tip features 135° skewed angle design that improves drilling accuracy and minimizes resistance, effectively preventing slipping and deviation to ensure neat, fast drilling. BulletPoint2 : 【Carbide-Tipped Drill Bit】Made of carbide material, designed for drilling wood, plastic and thin metal. Easily penetrates tile/glass/hard plastic/cement/granite/concrete. Works better with water drilling. Note: Not suitable for thick steel plates. BulletPoint3 : 【Anti-Slip Hex Shank】1/4" hex shank provides firm grip and prevents slipping, compatible with most electric drills, hand drills and bench drills. Dual U-Groove Design enhances dust removal for smoother drilling. BulletPoint4 : 【Drill Bit Specifications】Set includes 4 sizes: 1/4" (6mm), 5/16" (8mm), 3/8" (10mm), and 1/2" (12mm) masonry drill bits for various applications. BulletPoint5 : 【Multifunction Twist Drill Bit】Ideal for professionals and DIY users. Perfect for installation projects and furniture repair/renovation. A valuable tool for contractors, craftsmen and hobbyists. Color : 4-size 10pc FinishType : Diamond Drill Bit ItemDisplayDimensions_Height : 3 centimeters ItemDisplayDimensions_Length : 10 centimeters ItemDisplayDimensions_Width : 5 centimeters ItemDisplayWeight : 130 grams ItemName : 10PCS High Hardness Eccentric Drill Bit Set - Carbide-Tipped Skewed Head Masonry Bits for Concrete/Tile/Glass/Brick (1/4", 5/16", 3/8", 1/2") Professional Grade ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 15 centimeters ItemPackageDimensions_Width : 10 centimeters ItemPackageQuantity : 10 ItemTypeKeyword : masonry-drill-bit-sets Manufacturer : CXML&DASHE MetalType : Diamond ModelName : Diamond Drill Bit ModelNumber : CJY250409E2SP NumberOfItems : 999 PackageLevel : unit PartNumber : 89254090551 Pattern : good hardness ProductDescription : Grade Eccentric Drill Bit Set for Tough Materials This 10-piece carbide-tipped masonry drill bit set is designed for fast, clean drilling in tile, glass, concrete, brick, plastic, and more. Whether you're a contractor, handyman, or DIY enthusiast, these high-strength drill bits deliver smooth, precise holes without cracking delicate surfaces.