Indexable Thread Turning Tool Holder Cutting Direction Right Hand Shank Square Shank Width 19.05mm Shank Height 19.05mm Shank Dia 0.75 in Overall Length 114.30mm Insert Shape Triangle Lead Angle 7.5 Degrees Inscribed Circle 32.00mm Mounting Style Screw/Clamp Clamp Screw T20 Insert Screw T20 Torx Wrench TX20