Indexable Thread Turning Tool Holder S20U-MTHOR-3-C Cutting Direction Right Hand Shank Round Shank Dia 1-1/4 in Overall Length 14 in Insert Shape TNMC-322 Inscribed Circle 0.375 in Insert Thickness 0.125 in Width Offset 0.828 in Height Offset 1.656 in Mounting Style Screw/Clamp Clamp CL-19 Clamp Screw XNS-36 Insert Screw GTS-1 Torx Wrench T-10