SHARS 14-20 CA Quick Change Tool Post Boring Turning Facing Holder #2 250-402. Piston Type Or Wedge Type Tool Posts Sets. Please see above pictures, our products are from two different manufactures. Different type of numbers and logos. They can't be used by mismatch. Round Boring Bar Shank Diameter. Set Screw Thread Size: M12x32. "V" groove holds round shank boring bars and tools as well as square tool bits. Same logo as above picture showed match this listing. If you need to speak to a sales person feel free to call. We are open Monday through Friday 8:30 to 5:00 est. The item "OUT ...