Specification Brand : wowsupm BulletPoint1 : Package: 1 of 7/16” 11 mm hexagonal groove shank is for 1/2" chuck. It’s a large, heavy duty Quick Change mandrel with 5/8” thread . It fit 1.21” 32 mm to 10” 254 mm hole saw. 1 of adapter with 1/2” thread fits 0.55” 14 mm to 1.2” 30 mm hole saw. BulletPoint2 : Package: 1x3.5” silver HSS pilot drill bit for wood & soft metal,1x3.5” black HSS pilot drill bit for hard metal. BulletPoint3 : Quick Release Mandrel: The kit is for quick connecter connection, convenient installation and unloading, large torque; Time-saving to use is more faster than the traditional arbor 2 times. BulletPoint4 : New Innovation: The plastic block is easy to grasp and force, and the material is light, strong, and clean(no oil) . This plastic body is passed drop test and torque test. BulletPoint5 : New: You can not easy to find such New product on the market now. BulletPoint6 : For use with carbide-tip Hole Saws when drilling ceramic tile Color : 4PC-SET CompatibleMaterial1 : Plastic CompatibleMaterial2 : Metal CompatibleMaterial3 : Wood CuttingAngleString : 118.0 degrees ExternallyAssignedProductIdentifier1 : 738226281056 ExternallyAssignedProductIdentifier2 : 0738226281056 ExternallyAssignedProductIdentifier3 : 00738226281056 FinishType : Uncoated GpsrSafetyAttestation : 1 IncludedComponents : 39893 ItemDisplayDimensions_Height : 6 inches ItemDisplayDimensions_Length : 1 inches ItemDisplayDimensions_Width : 1 inches ItemName : WOWSUPM Quick Change Mandrel 7/16 Inch Shank New Hole Saw Large Arbor Heavy Duty Fit 9/16 to 10 Inch Hole Cutter with Pilot Drill Bits ItemPackageDimensions_Height : 2.95 inches ItemPackageDimensions_Length : 4.92 inches ItemPackageDimensions_Width : 3.74 inches ItemPackageQuantity : 1 ItemTypeKeyword : hole-saw-arbors Manufacturer : wowsupm Material : High Speed Steel ModelNumber : 28105 NumberOfFlutes : 1 NumberOfItems : 1 NumberOfPieces : 1 PartNumber : QHSA104MA ProductDescription : The kit is for quick connecter connection, convenient installation and unloading, Fit 9/16 to 10 Inch Hole Saw Cutter with Pilot Drill Bits ProductSiteLaunchDate : 2023-06-03T08:54:53.088Z Size : 1/Card Style : Compact SupplierDeclaredDgHzRegulation : not_applicable SurfaceRecommendation : Wood SurfaceRecommendation1 : Wood SurfaceRecommendation2 : Metal SurfaceRecommendation3 : Masonry UnitCount : 1 UnspscCode : 27112700