Indexable Thread Turning Tool Holder, NSR16-3D, Cutting Direction Right Hand, Shank Square, Shank Width 1 in, Shank Height 1 in, Overall Length 6 in, Insert Shape TopNotch NG-3R, Inscribed Circle 0.375 in, Insert Thickness 0.195 in, Width Offset 1.25 in, Mounting Style Clamp Lock, Clamp CM-72, Clamp Screw S-412