KYOCERA Indexable Cut-Off Insert, 1-Cutting Edge Metric Positive Rake, Series: KTKB, TK Insert, #3 Insert, 3.1 mm Cutting Width, 8 deg Lead Angle, Right Hand Lead Angle Direction, 0.25 mm Corner Radius, Manufacturer's Grade: PR1535, ANSI Code: TKR3PR1535, ISO Code: TKR3, Right Hand of Insert, Carbide, PVD-MEGACOAT NANO, Material Grade: S, M