Specification Brand : KONVER BulletPoint1 : This package carries (a)-(f): (a) 1 Piece of 2" Diameter Diamond Core Drill Bit / Hole Saw for stone concrete ceramivc granite marble sink hole cutting (5/8"-11 Female Thread arbor). The total length of the core bit is 75mm. BulletPoint2 : (b) 1 Piece of 50mm / 2" Diameter Diamond Vacuum Brazed Ball End / Round End Coarse Finger Bit / Milling Bit / Zero tolerance grinding drum for stone granite marble porcelain ceramic sink hole inner edge polishing, shaping, enlarging. 5/8"-11 Female Thread arbor. BulletPoint3 : (c) 1 Piece of 3/8" (10mm Diameter) Hex shank adapter for most angle grinders or electric drill. BulletPoint4 : (d) 1 Piece of 4-1/2" Diamond super thin mesh rim turbo saw blade for stone concrete ceramic granite marble cutting (NON-THREADED. Inner hole diameter is 7/8"-5/8"). BulletPoint5 : (e) 1 Piece of 4" PVC Velcro pad holder (5/8"-11 Female Thread arbor). Important Remind: Pad Holder's max capacity / velocity is 5000 RPM. Please do not use it with high speed grinder or polisher. BulletPoint6 : (f) One set of 4" Diamond wet dry (dry use recommended) polishing pad for stone quartz concrete granite marble travertine polishing: 1 Piece of Step 1, Step 2, Step 3, Step 4, Step 5, Buff. Color : 6mm CompatibleMaterial : Ab CompatibleMaterial1 : Stone CompatibleMaterial2 : Porcelain CompatibleMaterial3 : Marble CuttingAngleString : 30.0 degrees ExternallyAssignedProductIdentifier1 : 0656879078147 ExternallyAssignedProductIdentifier2 : 656879078147 FinishType : Finish IncludedComponents : countertop polisher grinder refinishing ItemName : 2" Inch Grinding Milling Drum Bit Ball End Dry Core Drill Bit Super Thin Blade with 5/8-11 Thread 3/8” Hex Adapter for Grinder Drill Enlarge Shape Hole Porcelain Tile Ceramic Granite Marble Buffer ItemPackageDimensions_Height : 15 centimeters ItemPackageDimensions_Length : 48 centimeters ItemPackageDimensions_Width : 15 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : core-drill-bits Manufacturer : Roxx Tools Material : Material Material1 : Diamond Material2 : Ceramic ModelNumber : 32m38pad2 NumberOfItems : 6 PackageLevel : unit PartNumber : TV30a PowerSourceType : Powersource ProductDescription : Feature: 1. Reliable Work: Designed to have 102mm diameter and 450mm length, the core drill bit supports both dry and wet drilling for the work. 2. Broad Utility: Can be widely used in drilling concrete, brick, marble and and other materials for installation, plumbing and so on. 3. Better Design: Featuring highly regular serration and concentric shaft design, the core drill bit enables stable working performance. 4. Good Material: Adopting premium diamonds material, the core bit with a sturdy structure has excellent durability for long term use. 5. Great Fitting: Comes with universal 1-1/4in thread, the drill bit can be easily installed to stationary coring or hand held drill.