Indexable Thread Turning Tool Holder, STVOR20-5D, Cutting Direction Right Hand, Shank Square, Shank Width 1-1/4 in, Shank Height 1-1/4 in, Overall Length 6 in, Insert Shape TNMC-543, Inscribed Circle 0.625 in, Insert Thickness 0.25 in, Width Offset 1.5 in, Mounting Style Screw Lock, Insert Screw GTS-3, Torx Wrench T-20