Specification Brand : METOTY BulletPoint1 : Precision Center Drilling: Our set features a high-hardness cross 4-flute center drill, making it easier than ever to achieve precise and stable material positioning and penetration. Say goodbye to drilling errors. BulletPoint2 : Versatile Hole Saw Sizes: With a range of sizes :(150mm丨5-29/32''); 1x sds plus connecting rod(220mm, 8-21/32");2x center positioning drill bits; 1x positioning drill screw,1xHex Key Wrench, gift 5x dust catchers. this set covers a wide variety of drilling needs for concrete, cement, brick, stone, and walls. You'll always have the right size for the job. BulletPoint3 : High compatibility:The set includes both a 220mm SDS Plus Shank These shanks provide a secure and stable connection for precise drilling. BulletPoint4 : Efficient Dust Catchers: Keep your workspace tidy with our 2 included dust catchers. They help minimize dust and debris, providing you with a cleaner and more comfortable drilling experience. BulletPoint5 : Professional-Grade Quality: Crafted from high-quality materials, our hole saws are built to withstand demanding drilling conditions. You can rely on their durability and performance for all your drilling projects. CompatibleMaterial : Stone ItemName : METOTY Concrete Hole Saw (150mm丨5-29/32'') with 220mm SDS Plus Shank and 2 Dust Catchers - Ideal for Concrete, Cement, Brick, Stone, and Wall Drilling ItemPackageDimensions_Height : 0.1 inches ItemPackageDimensions_Length : 0.1 inches ItemPackageDimensions_Width : 0.1 inches ItemTypeKeyword : hole-saw-sets Manufacturer : METOTY PartNumber : QBKKQ-150mm ProductDescription : 1 ProductSiteLaunchDate : 2023-07-12T08:58:10.426Z Size : 150mm丨5-29/32'' Style : Compact SupplierDeclaredDgHzRegulation : not_applicable UnspscCode : 27112700