Indexable Thread Turning Tool Holder, S40V-MTHOR-5-A, Cutting Direction Right Hand, Shank Round, Shank Dia. 2-1/2 in, Overall Length 16 in, Insert Shape TNMA-543, Inscribed Circle 0.625 in, Insert Thickness 0.25 in, Width Offset 1.375 in, Height Offset 3.5 in, Mounting Style Screw/Clamp, Clamp CL-6, Clamp Screw XNS-37, Insert Screw NL-56