Unique picture rail hanging system composed of a 79-inch (6.8-ft.) long flat metal wall track, nylon cords, picture hooks, and hardware. Gallery picture hanging system supports up to 154 lbs. Nylon Picture Cord supports 11 lbs. Picture Hanging System is best used for hanging paintings, picture frames, and posters on any smooth, flat wall. Not advised for rough or non-straight walls. This gallery wall hanging system is easy to install. Fasten the round locators to the wall, and clip the track onto it. Then, attach the cords and picture hooks. Art Hanging Track is designed to hide away fasteners on the wall, giving it a subtle, classy art display. The Wall Track Gallery Kit is an all-in-one package that includes everything you need to set up a wall track picture hanging system. The TR100 track is a subtle, almost invisible, and a classy type of wall track in a picture hanging system. It’s designed to hide away the fasteners used to install the track to the wall. Underneath the track, there’s a channel where the C001 nylon cords are inserted.