13-18” CXA 250-333 Wedge Type Quick Change Tool Post Set Lathe Tooling. 13-18” CXA Size 250 – 333 Wedge Type Quick Change Tool Post. 250-333 Wedge Type Tool Post. 250-301 Turning Tool Holder, use tool bit up to 3/4″ 250-302 Boring, Turning Tool Holder, use tool bit up to 3/4″ and round shank tool bits up to 3/4″ 250-304 Heavy Duty Boring Bar Holder, use 3/4 and 1″ shank boring bars 250-307 Parting Blade Tool Holder, use 3/4 high parting blades. 250-310 Knurling and Turning Tool Holder. Suitable for lathe Swing Diameter 13 – 18″ (lathe center height 1.125 – 2.125″ top compound surface to lathe center line). All working parts hardened and precision ground. 30 Lbs Estimate Only. 10”L x 9”W x 5”W Estimate Only. THANK YOU FOR VISITING.