Specification Brand : SALI BulletPoint1 : Pakcage:Hole saw diameter: 3-1/2"(90mm); 1x 220mm sds plus connecting rod; 1x 110mm center positioning drill bits; 1x positioning drill screw BulletPoint2 : Material: The concrete hole saw kit made of tungsten steel and alloy, high-frequency welding technology, welding openings is very strong, smooth inside and outside welding mouth. Ultra-sturdiness and durable, easy to opearation, and long service life BulletPoint3 : Wide applications:The masonry hole saw bit set fits sds plus shank on the connecting rod works with sds plus tools by all major manufacturers. Easily drills walls, stones, bricks, or installation of air-conditioning, oil fume exhauster, sewer pipeline hole open and so on BulletPoint4 : Tips:Since the hardness difference of the stones/bricks, hole saw need a bit more time than normal, please use it with flowing water when work on high hardness material, it will reduce the abrasion of the hole saw BulletPoint5 : Unique design:The masonry hole saws blade is made of raw materials, thicker and sharper than other ordinary blades. It can easily penetrate steel bars up to 6mm BulletPoint6 : Instructions for safe and efficient use and longer tool life BulletPoint7 : For small diameter holes, or larger holes in light material; can be used with 1/4" or 3/8" drills BulletPoint8 : For heavy duty applications, 1/2" drills are recommended Color : Silver CompatibleMaterial : Stone, Bricks, Mortar, Cinder Block, Adobe Wall CompatibleMaterial1 : Stainless Steel CompatibleMaterial2 : Metal CompatibleMaterial3 : Cast Iron CompatibleMaterial4 : Aluminum CompatibleMaterial5 : Alloy Steel CompatibleMaterial6 : Iron CompatibleMaterial7 : Alloy Steel CompatibleMaterial8 : Brass ExternallyAssignedProductIdentifier : 8475896792025 ExternallyAssignedProductIdentifier1 : 887772898796 ExternallyAssignedProductIdentifier2 : 0887772898796 ExternallyAssignedProductIdentifier3 : 00050326120524 FinishType : Silver GpsrSafetyAttestation : 1 ItemName : SALI Concrete Hole Saw Kits 3-1/2"(90mm) Tungsten Steel Wall Hole Cutter Drill Bit Sets with 220mm SDS Plus Shank Connecting Rod,110mm Center Positioning Drill Bits for Cinder Block,Brick,Adobe Wall ItemPackageDimensions_Height : 23.1902 centimeters ItemPackageDimensions_Length : 8.7122 centimeters ItemPackageDimensions_Width : 14.097 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : hole-saw-sets Manufacturer : SALITools Material : Tungsten Steel ModelName : MHSA52C ModelNumber : DU276250SGP02-FBA NumberOfFlutes : 1 NumberOfItems : 1 NumberOfPieces : 1 PartNumber : O06QKQ90 ProductDescription : A+ ProductSiteLaunchDate : 2023-08-05T08:34:58.575Z Size : 90mm Style : Round,Magnetic SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable SurfaceRecommendation : Wood,Steel UnitCount : 1 UnspscCode : 27112700