Our Rods Solve All Kinds of Problems in Little Space. Curtain rod, coat hanger, shoe racks and cleaning agent, save a lot of your space. Of course, it has more uses waiting for you to discover. —Rotational extension, smooth surface, increase friction,convenient installation and good elasticity. —These tension rods can be used in a lot of places, such as hanging light weight utensils on your cupboard, holding clothes in your closet, and building a space between walls to hold light weight stuff. Five Kinds of Functions : 1.Expansion and contraction. 2.Random adjustment. 3.convenient installation. 4.Don't need screws. 5.Don't damage the wall. The Specification: Material: high-carbon steel + rubber Length: 26" to 39" (Recommended best use range 28" to 36") Diameter: 0.63" Maximum bearing weight: 3-7 pounds How to install: 1.To install, twist to unlock, with the narrow tube on the right side, place the rod into the desired location and extend both ends flush against each wall. 2.While holding the wide tube with your left hand, rotate then arrow tube firmly away from you with your right hand to lock in place. 3.Move your left hand to the narrow tube and with your right hand,rotate the right cap towards you for extra tension. 4.Keep rotating until rod is secure. KINDLY NOTE: —In general, the greater friction of the wall, the shorter extension of the rod, the better effect of use. —Relatively speaking, wooden door's friction is greater than the ceramic tile, easier to fix the rod. You can use them with your creativity to make more space to store your light weight items. Even though we don't recommend for heavy duty use. If you are going to hang a lot of heavy stuff, we suggest you to buy a larger tension rods. For light weight items, this is perfect for you.