AIR, POWER & HAND TOOLS. Thank you for shopping with us! KDK-0 Style Quick Change Tool Post Interchangeable with KDK-0,100, 150 & 200 tool posts. All working parts are hardened and ground. Lathe Swing: 8-12" Lock Down Bolt Diameter: 7/16" Dovetail is 1.75. Some browsers do not allow this option.