2 ways to use the small curtain rods: A. Use these small tension rods with the 3M self-adhesive hooks on the surface of the wall or window (no drill, maximum load capacity: 600g). B. Use these small tension rods with the 3M screw hooks on the surface of the wall (drill required, load capacity: 1200 g) Package contents: 4 x curtain rods (40-70 cm), 8 x 3M self-adhesive hooks (no drill), 8 x screw hooks Easy to use, no spring, extendable and lightweight: the curtain rod extendible is very durable, lightweight and stable see. Please refer to assembly instructions for the installation scheme in the left photo gallery Many uses: these adjustable curtain rods can be used for all kinds of occasions at home, in the office, in the hotel in the garden, etc. You can use them for many sizes of the net curtains, cupboards and more. Services: If you have problems with the curtain rod extendable and the gifts, please feel free to contact us, we will do our best to help you.