Specification Brand : STAR USA Label : STAR USA Manufacturer : STAR USA MaterialType : Carbide PartNumber : 85109542857 ProductGroup : BISS Basic ProductTypeName : END_MILLS Publisher : STAR USA SmallImage_Height : 17 SmallImage_URL : https://m.media-amazon.com/images/I/31C47F7oRFL._SL75_.jpg SmallImage_Width : 75 Studio : STAR USA Title : Corner Rounding End Mills - Solid Carbide Radius: 1/4", Minor Dia.: 1/2", Shank Dia.: 1", OAL: 4", 3 Flute, Coated