TNMG-321-UGN-DUC25UT/ TNMG-160304-UGN-DUC25UT, HP-High Performance Negative Turning Insert, For General Application, Hard & Tough, Wear & Shock resistant, CVD Multi Layer Coating, Medium Cutting Speed, Medium Depth of Cut and Medium Feed per Rev, Light interrupted Cut, For Multi Materials, Wet Working Condition, Sold in (Pack of 5)