Pramet Turning Insert, CCMT Insert, 32.52 Insert, Diamond, 4 mm Maximum Depth of Cut, 9.525 mm Inscribed Circle, 3.97 mm Thickness, 9.7 mm Length, 9 Seat, Positive Rake, RM Chipbreaker, 0.8 mm Corner Radius, 4.5 mm Hole Dia, Manufacturers Grade: T9315, ANSI Code: CCMT 32.52-RM:T9315, ISO Code: CCMT 09T308E-RM:T9315, 80 deg Included Angle, 7 deg Relief Angle, Carbide, Al2O3, Material Grade: H, K, P, For Use On: Cast Iron, Hardened Steel and Steel