Versatile kit includes four sections of 4' L-track that can be mounted to the walls or floors of trailers or truck beds to create multiple tie down points. Simply insert any of the four single stud fittings into the track and use the stainless steel ring to hook tie down straps, bungee cords, etc. Rail and fittings have a black powder coat finish. Fasteners not included; sold separately. Number of holes in each track: 10.