CA Wedge Tool Post 14-20 Swing Quick Change Lathe Tool Holder 250-444. Our part # ALL-47401. For use on lathes with 14″ – 20″ swing (defined as the diameter that can be turned over the bed). Precision-engineered to assure repetitive accuracy. Quickly and easily installed on an engine, bench, or turret lathe for a wide range of operations. All working parts precision ground and hardened. Completely sealed for maintenance free operation! Turning: The unequaled rigidity of this toolpost and holders (also available) insure smoother turning without chatter or vibration! Rigid wedge design, easily centered! We also sell custom tooling packages!