Specification Brand : Milwaukee BulletPoint1 : Rip Guard the strongest tooth form in the industry BulletPoint2 : Plug Jack, an all access slot design for fast plug removal BulletPoint3 : Bi-metal construction with 8% cobalt for increased wear resistance BulletPoint4 : Shrink wrap package type BulletPoint5 : 135 rpm aluminum, 60 rpm cast iron, 90 rpm mild steel, 45 rpm stainless steel Color : White, Silver CompatibleMaterial : Metal CustomerPackageType : 1 ExternallyAssignedProductIdentifier1 : 045242222636 ExternallyAssignedProductIdentifier2 : 0045242222636 ExternallyAssignedProductIdentifier3 : 00049659118674 ItemDisplayDimensions_Length : 4 inches ItemName : Ice Harden Hole Saw, Bi-Metal, Blk, 3-7/8in ItemPackageDimensions_Height : 9.8044 centimeters ItemPackageDimensions_Length : 4.9022 centimeters ItemPackageDimensions_Width : 9.7028 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : hole-saws Manufacturer : Milwaukee Tool Material : Metal ModelNumber : 49569644 NumberOfItems : 1 NumberOfTeeth : 6 PackageLevel : unit PartNumber : 49569644 ProductDescription : The MILWAUKEE? HOLE DOZER 3-7/8" Hole Saw Bi-Metal Cups are made in the USA and feature RIP GUARD for the strongest tooth in the industry backed by a limited lifetime tooth break warranty. Each tooth is built with more steel behind the cutting edge for added strength. The HOLE DOZER hole saw blade includes a PLUG JACK , an all access slot for plug removal. The Milwaukee PLUG JACK gives access lower into the cup for thick material and higher towards the teeth for thin material. This versatility increases productivity and eliminates downtime between holes by allowing leverage in multiple positions with consistent hole quality. Combine with Milwaukee's universal Quick Change Arbor for fast, tool free change outs (49-56-7240, 49-56-7250, and 49-56-9100). ProductSiteLaunchDate : 2012-04-06T16:31:25.065Z Size : 65mm StreetDate : 2017-03-12T00:00:01Z Style : Compact SupplierDeclaredDgHzRegulation : unknown UnitCount : 1