Quick Change Tool Posts Wedge CXA 300 Aloris Type. You are purchasing a Quick Change Lathe Tool Post Wedge Type. Working parts hardened & ground. Holders fit Alorris & DORIAN tool posts. Maximum rigidity for chatter-free performance. Size A 3-1/2"; B 5-1/8"; C 3"; D 3/4"; E 1-7/8"; H 6-1/8"; R 7-7/8. Make sure your address is deliverable from post office. Remember 2-3 day service does not count Sunday or holidays. It is not a guaranteed service but has been proved to be highly reliable. Make sure your address is deliverable by post office. At EZ-Accessory , our drive to deliver the latest quality chassis, suspension, machine tool and wheel accessory parts with superb customer service is unmatched. We offer a wide variety of the best products on the market and keep up with the best of most innovative automotive and machine tool accessory and parts. Powered by SixBit's eCommerce Solution.