Specification Brand : Yosoo BulletPoint1 : coated hole saw / drill bit. Can drill 1 1/2 inch deep. BulletPoint2 : Can be used with a standard electric drill(not included) BulletPoint3 : The coated drill bit removes a complete circle from glass, tiles, marble, granite, ceramic,etc.Shank is 3/8 inch thick. BulletPoint4 : Note: Use water for lubrication, or the core drill will burn BulletPoint5 : Sizes: - 3/4" (20mm) - 1" (25mm) - 1 1/4" (32mm) - 1 3/8" (35mm) - 1 1/2" (38mm) Color : Silver ExternallyAssignedProductIdentifier1 : 712190226558 ExternallyAssignedProductIdentifier2 : 0712190226558 ItemName : 5 pcs Hole Saw Drill Bit Set 20-38mm(3/4" - 1 1/2" inch) for Granite Glass Tile ItemPackageDimensions_Height : 6 centimeters ItemPackageDimensions_Length : 12 centimeters ItemPackageDimensions_Width : 10 centimeters ItemTypeKeyword : hole-saw-sets Manufacturer : Yosoo Material : Metal ModelNumber : 1 NumberOfFlutes : 2 NumberOfPieces : 5 PartNumber : Yosoo-holesaw ProductDescription : You can drill clean holes in Porcelain Ceramic Glass Marble Granite Quartz Wall Tiles - Floor Tiles Fish Features: - Can be used with a standard electric drill( Excluding in this item ) - Easy to use, high quality,good performance, long life - Excellent for making clean and accurate hole on glass , tile and marble - Always use lubrication (water ), otherwise the core drill will burn - Start your hole diagonally, make a round trace and then hold drill straight - Sizes: 3/4" (20mm) 1" (25mm) 1 1/4" (32mm) 1 3/8" (35mm) 1 1/2" (38mm) Package Includes: 1 x 5pcs Coated Hole Saw Drill Bits ProductSiteLaunchDate : 2016-10-05T00:00:00.000Z Size : 5Pcs(20mm-38mm) Style : Round SupplierDeclaredDgHzRegulation : not_applicable SurfaceRecommendation : Concrete, Cement, Stone, Brick SurfaceRecommendation1 : Glass SurfaceRecommendation2 : Tile SurfaceRecommendation3 : Marble SurfaceRecommendation4 : Granite SurfaceRecommendation5 : Ceramic UnspscCode : 27112845