Indexable Thread Turning Tool Holder S24U-NER-3 Cutting Direction Right Hand Shank Round Shank Dia 1-1/2 in Overall Length 14 in Insert Shape TopNotch NG-3R Inscribed Circle 0.375 in Insert Thickness 0.195 in Width Offset 1 in Height Offset 2 in Mounting Style Clamp Lock Clamp CM-72 Clamp Screw S-412