This Teng Tools Aluminium Clip Rail is ideal for mounting on a wall or for use in a toolbox, to conveniently store Teng sockets. It is suitable for use with clips for 1/4 inch, 3/8 inch and 1/2 inch sockets, which clip onto the single track rail and which hold the socket in place. Clips NOT included.The TENALU430 Section Rail has the following length: 1 metre.