High-strength durable spring inside, can be used repeatedly, one rod can bear 3-7lbs Suitable space for 16 to 27 inches, measure the required size before buying. Rod diameter-1/2", caps diameter-3/4" Long-lasting metal rod is made of quality carbon steel with non-slip caps, corrosion-resistant and rust-proof,having longer service life Simple set-up—no tools required: expands with a simple twist, provides consistent tension for a long-lasting, tight, secure fit Versatile Usage: used as a curtain rod, wardrobe bar, shoe rack, drawer and cabinet divider, bottle holder, space saving and organizing, RV cupboard support and RV refrigerator bars. It’s a good helper for DIY your home storage space ABOUT US KXLife is a new brand, We are a professional spring tension rods supplier. We have created a variety of tension rods sizes and colours to help you find the perfect one for your home,like 4 pack,6 pack,and thicker,longer rods,more items please searh KXLife. Specification: Material: Steel, plastic caps Diameter: Exterior rod-1/2inch(13mm), interior rod-3/8inch(10mm), caps-3/4inch (19mm) Color: White Extension: 16-28 inch, recommended length for optimal performance is 17 to 27" Package Included: 2x Spring Tension Rods