Rods for use in a filing system are disclosed. An example file folder rod includes a first end, a second end and an elongated body extending between the first end and the second end, the elongated body having a longitudinal axis. The example rod also includes a hook coupled to the first end of the rod. The example hook includes a longitudinal portion extending along the longitudinal axis, an elongated hook portion coupled to an end of the longitudinal portion with the elongated hook portion extending from the longitudinal portion a first distance, and a first extension extending from the longitudinal portion with the first extension extending from the longitudinal portion a second distance, the second distance less than the first distance.