Seco Milling Insert, SEKN Insert, 1504 Insert, Squared, 15.9 mm Inscribed Circle, 4.76 mm Thickness, 15.9 mm Width, 15.9 mm Length, M18 Chipbreaker, Manufacturer's Grade: MK1500, ANSI Code: SEKN1504AFTN-M18 MK1500, Ambidextrous Hand, Carbide, CVD-TiCN+Al2O3 Coated, Cast Iron, Non-Ferrous Metals, Plastics and Tough-to-Machine Materials Material Application