TCMT-21.50.5-PEF-DPC15HT/ TCMT-110202-PEF-DPC15HT, HP-High Performance 7° ISO Insert, For Finishing Application, Hard & High Wear Resistant, CVD Multi Layer Coating, High Cutting Speed, Small Depth of Cut and Low Feed per Rev, Brittle! Not for interrupted Cut, For Carbon & Alloy Steel, Stainless Steel, Cast Iron, Wet Working Condition, Sold in (Pack of 5)