Linergy NEMA sectional terminal blocks are for terminating wire and are designed to NEMA standards. This Square D terminal block mounting track is designed specifically for 9080G terminal blocks. Mounting track has serrated segments, spaced approximately 5/16 in. apart. This allows the track to be made the right length without any tools. The track is prepunched with oblong slots to make mounting the track to the panel easier. This terminal block track is 72 inches long. This track is made of galvanized steel.