Insert Style: TNMG Insert Size: 432 Material: Carbide Inscribed Circle Inch: 1/2in Length Decimal Inch: 0.866 Thickness Inch: 3/16in Corner Radius Inch: 1/32in Manufacturer’s Grade: MT30P Exclusive design for stainless steel cutting provide longer tool life Wear resistance have been reinforced through high rake angle of chip breaker land