3 Installation Ways You can freely choose between rubber plugs, suction cups or screws when installing. With rubber stopper: no drilling or gluing required. Maximum load capacity: 600-800g. With suction cups: they can be fixed well in an oblique position. Maximum load: 800-1000g. With screws: maximum load capacity: 2 kg. Easy to install: infinitely adjustable in length between 45-60 cm and 8 mm/10 mm in diameter. No tools, screws, glue or holes required, just adjust the length to snap between two walls. Suitable for many tight scenarios, you can DIY it yourself. High-quality process: the spring compressor is made of high-carbon steel, not easy to rust. High quality spray paint, smooth and scratch free surface. Thicker spring inside the cart rod, more resilient, strong and durable. Multi-scene application: suitable for curtains or for wardrobe rails, bookshelf rods, cabinet rods, kitchen rods, kitchen curtains, etc. GDEVKHN Service:If you are not satisfied with our curtain rods, please feel free to contact us and we will offer a new product or refund.