Specification Brand : JAINGU BulletPoint1 : Suitable For: brick, concrete walls, air conditioning openings BulletPoint2 : Made of high quality metal material and with carbide tipped. BulletPoint3 : Rounds alloy blade combinations, each blade to bear part of the workload, not prone to chipping off the edge BulletPoint4 : High-frequency welding technology, welding openings is very strong, smooth inside and outside welding mouth, BulletPoint5 : Precision engage, appearance. Color : 150mm+110mm Shank CompatibleMaterial : Stone ExternallyAssignedProductIdentifier : 9866726998707 ItemName : Diamond Coated Drill Bit 6-65mm Diamond Core Bit for Marble Granite Brick Tile Ceramic Concrete Drilling Hole Saw Drill Bit-32mm ItemPackageQuantity : 1 ItemTypeKeyword : core-drill-bits Manufacturer : JAINGU Material : Carbide,Alloy,Stone,Tungsten NumberOfItems : 1 PartNumber : Jaingu9866726998707 ProductDescription : Specification: