These metal thread holder rack can not only hold the spools, but also can hold many other different things, like jewelries, keys, umbrellas, rings, handbags, scarfs, towels, spatulas, etc. The wall hanging holes are in the back of the metal thread racks, you can use them to mount these spool organizers to the wall directly. The beveled design, round corner design and smooth edges of theses thread racks can protect your body from scratching and are very safe for kids. The thread organizers are very useful. They can be widely used in your house and office. Details: Black 1" x 12.4" x 16.14" 3.14 lb. Set of 2 racks Round corner design and smooth edges Wall-mountable Made of metal Contents: 32-spool rack 54-spool rack