Indexable Thread Turning Tool Holder SNR150-12-16 Cutting Direction Right Hand Shank Round Shank Dia 1-1/2 in Overall Length 12 in Insert Shape Laydown 16-G60 Inscribed Circle 0.375 in Width Offset 0.9 in Height Offset 1.7 in Mounting Style Screw Lock Clamp Screw GXE-16 Insert Screw TS-16 Torx Wrench T-10