This is a KDK 400 Series Quick-Change Tool Post. As you can see from the pictures the dovetail has a couple of chips along the edge, but will still hold a tool holder fine. Only a second to change tools. Rugged – No chatter or vibration. No time wasted with shims. Safe and simple to operate. Speed your lathe operations up to 90%. For fine precision work to heavy-duty cutting. Tool Post Overall Dimensions: 6″ x 4-3/4″ x 4 high. Comes exactly as shown in pictures.