SNU-633-UEN-DKU25GT/ SNU-190412-UEN-DKU25GT, HP-High Performance Negative Turning Insert, For General Application, Wear & Impact Resistant, Uncoated, Medium Cutting Speed, Small Depth of Cut and Low Feed per Rev, Light interrupted Cut, For Cast Iron, Hardened Steel, Non-Ferrous, Wet/Dry Working Condition, Sold in (Pack of 5)