14-20 Quick Change Tool Post ONLY Wedge Type/CA#400 Wedge Type Steel Quick Change Tool Post. CA-400 Wedge Type Steel Quick Change Tool Post All working parts are hardened and ground. Completely sealed for maintenance-free operation. CA-400 Wedge Type Steel Quick Change Tool Post. All working parts are hardened and ground. Date First Available: July 6, 2022. And we will work with you to resolve it to your satisfaction.