Specification Brand : National Label : NATIONAL Manufacturer : NATIONAL NumberOfItems : 1 PartNumber : G-1-1-4-18RCT ProductGroup : BISS Basic ProductTypeName : MECHANICAL_FASTENERS Publisher : NATIONAL Size : One Size SmallImage_Height : 50 SmallImage_URL : https://m.media-amazon.com/images/I/41O1Y4H8zML._SL75_.jpg SmallImage_Width : 75 Studio : NATIONAL Title : 13/16 (.8125) DIAMETER SPADE DRILL INSERT, T-15 NOT COATED SERIES 1, TA COMPATIBLE