3 Pack tension rods: One rod can bear 1.1 - 2.2 pounds, 3 rods can bear about 11 pounds (each package include 3 pack spring rods), but please know that the friction of the wall and the extension of the rod will affect the use. In general, the greater friction of the wall and the shorter extension of the rod, the better effect of use. Manufacturing process: Made of durable stainless steel and plastic with brushed finish, corrosion and rust resistant. Both ends of the skid resistant rubber, increase the friction with the wall of the pole, more firm, not easy to fall off. Easy to use: Spring rod is simple to extend, pull and twist, no tools, no drilling, no damage; The non-slip rubber heads in both ends of the rod increase the friction, convenience for your use. Family assistant: Content of crude iron with a spring. You can adjust rod length as curtain rods, closet rod, coat hanger, shoe racks and cleaning agent, makes you to have a better use of space, it is your good assistant at home. Specifications: Quantity: 3 pack Material: stainless steel and plastic Color: black Size: about 30 x 1.3 cm Adjustable length: 11.81 inches to 20 Inches Package includes: 3 x Tension rods Warm note: 1. Please confirm whether the size is your need before buying carefully. 2. Force both ends to the maximum and fixed during installation and use. 3. There may be small error in size for manual measurements. 4. Please rotate the ends of curtain rods to fix after installation to avoid falling down.