DNMG-443-PER-DPC25UT/ DNMG-150612-PER-DPC25UT, HP-High Performance Negative Turning Insert, For Roughing Application, Better surface Finish in stable working condition, Wear & Impact Resistant, CVD Multi Layer Coating, Medium Cutting Speed, Large Depth of Cut and High Feed per Rev, Light interrupted Cut, For Carbon & Alloy Steel, Stainless Steel, Wet Working Condition, Sold in (Pack of 5)