Shars Quick Change AXA #2 XL Oversize (5/8) Tool Post Boring Turning & Facing Holder 250-102 XL New. For Lathe Swing 6-12 Piston Type Or Wedge Type Tool Posts Sets. Please see above pictures, our products are from two different manufactures. They have different type of numbers and logos, they can't be used by mismatch. Round Boring Bar Shank Diameter. Set Screw Thread Size: M8x19. "V" groove holds round shank boring bars and tools as well as square tool bits. Height adjustment screw allows to accommodate various center height of different lathe chuck. We also offer AXA 6-12...