Insert Style: WNMG Insert Size: 332 Material: Carbide Inscribed Circle Inch: 3/8in Length Decimal Inch: 0.256 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.