Specification Brand : Starrett BulletPoint1 : Easy Hole Enlargement - It replaces the pilot drill in any A1, A2, or A10 arbors for effortless hole enlargement. BulletPoint2 : Versatile Compatibility - It works with various Starrett hole saws, including Constant Pitch, Dual Pitch, TCT Multipurpose, Carbide Tipped, and Diamond Grit types. BulletPoint3 : Accurate and Reliable - It ensures precise enlargement by attaching a saw of the same size as the existing hole, which then acts as the pilot for the larger diameter saw. BulletPoint4 : Robust Design - It is engineered for durability and efficiency, providing a reliable solution for enlarging holes. BulletPoint5 : ROBUST BUILD: Constructed from steel for enhanced durability and reliability BulletPoint6 : DRILLING PRECISION: 118-degree split point pilot bits for accurate hole positioning BulletPoint7 : REPLACEABLE PILOT: Easily replace pilot bit with compatible Klein Pilot Bit (Cat. No. 31907) Color : Black CompatibleMaterial : Alloy Steel ExternallyAssignedProductIdentifier1 : 049659660784 ExternallyAssignedProductIdentifier2 : 049659436648 ExternallyAssignedProductIdentifier3 : 049659016123 ExternallyAssignedProductIdentifier4 : 0049659436648 ExternallyAssignedProductIdentifier5 : 0049659660784 ExternallyAssignedProductIdentifier6 : 0049659016123 ExternallyAssignedProductIdentifier7 : 00049659016123 ExternallyAssignedProductIdentifier8 : 00049659660784 GpsrSafetyAttestation : 1 IncludedComponents : Hole Saw Arbor With Pins, 3/8" (9.5 mm) ItemName : Starrett Hole Saw Arbor - Hole Enlargement Arbor for A1, A2 & A10 Arbors - KA19 ItemPackageDimensions_Height : 14.5 centimeters ItemPackageDimensions_Length : 2.1 centimeters ItemPackageDimensions_Width : 9.3 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : hole-saw-arbors Manufacturer : Starrett Material : Steel ModelName : 31906 ModelNumber : A19-Arbor-Screw NumberOfItems : 1 NumberOfPieces : 1 PackageLevel : unit PartNumber : A19 ProductSiteLaunchDate : 2004-11-09T05:00:01-00:00 Size : 7/16-Inch Style : Industrial SupplierDeclaredDgHzRegulation : not_applicable SurfaceRecommendation1 : Plastic SurfaceRecommendation2 : Metal SurfaceRecommendation3 : Wood UnitCount : 1 UnspscCode : 27112700