Sandvik Coromant Threading Insert, Series: Top-Lok, TLTK Insert, 2 Insert, Internal/External Thread, 0.024 to 0.079 in Pitch, 12 to 44 TPI Threads per Inch, 0.219 in Thickness, 0.15 in Width, ANSI Code: TLTK-2L 1125, ISO Code: TLTK-2L 1125, Positive Rake, 0.003 in Corner Radius, Manufacturers Grade: 1125, Left Hand Cutting Direction, Carbide, TiCrAlN/TiAlN, Material Grade: H, K, M, N, P, S