Pramet 7156471 Turning Insert, ANSI Code: WNMG 431-FM T7325, WNMG Insert, Material Grade: M, P, S, 431 Insert, Trigon Shape, 8 Seat, Negative Rake, For Use On Stainless Steel, Steel and Titanium/Super Alloys, Carbide, Manufacturer's Grade: T7325