This is a brand new 4’ aluminum sizing bar, powder coated black. The sizing bar is an integral component of the ProEDGE fastframer system, ensuring precise measuring in the production of perfect fitting picture frames. Also included are both gold colored sizing blocks that are used to measure the short and long side of the rectangular image being framed. This sizing bar will work on any of the three ProEDGE System FastFramer models. Please feel free to message with any questions! (Many used machines are sold without a sizing bar, which makes accurate measuring and mitering extremely difficult and time consuming.