Specification Brand : Kuuleyn BulletPoint1 : 【70mm Wall Hole Opener】: The carbide forging and high-temperature quenching process ensures that the specification of this wall hole opener is precisely 70mm, allowing for precise and accurate hole cutting BulletPoint2 : 【Sharply Blade Edge】: With a sharp blade edge, this wall hole saw is designed to withstand the rigors of cutting without easily breaking. This durability translates into efficient cutting, saving time and effort during the drilling processtting. BulletPoint3 : 【High Performance】: The concrete wall hole opener exhibits high hardness, making it resistant to wear and ensuring long-lasting performance. Its strong impact resistance allows for the tool to withstand heavy-duty use without compromising its drilling capabilitieseed. BulletPoint4 : 【High Frequency Welding Technology】: This wall hole cutter adopts high frequency welding technology, the welding opening is firmly, the inner and outer welding ports are smoothly, and the joint is precise BulletPoint5 : 【Wide Range of Usage】: Versatility is a standout feature of this wall hole saw, as it finds extensive application in various tasks. Whether it's cutting clean holes in concrete or brickwork, drilling through walls or stones, this tool proves to be an indispensable asset ConstructionType : Coated ExternallyAssignedProductIdentifier1 : 0048011646046 ExternallyAssignedProductIdentifier2 : 048011646046 FinishType : Finish IncludedComponents : inc IndustryStandardIdentifier : 480116460 ItemName : Brick Hole Saw, Hole Saw Kit, Impact Hole Saw, Wall Core Bit 70mm Strong Impact Resistance Concrete Hole Opener Sharply Wall Hole Cutter for Brick Work Stone ItemPackageQuantity : 1 ItemTypeKeyword : hole-saws Manufacturer : Kuuleyn MaximumRotationalSpeed : 3450 rpm NumberOfItems : 1 PartNumber : Kuuleyn4cx72h0qwb ProductDescription : Specification: Item Type: Wall Core Bit Material: Carbide Colour: Silver Specification: Approx.70mm/2.8in Usage: Widely used for cutting clean holes in concrete, brick work, drilling wall, stone, installing air conditioner, etc.