This black tension curtain rod is designed for windows measuring 28 to 48 inches. Made from durable iron alloy and rubber, it features a non-slip rubber top suitable for rough brick walls, wooden frames, or smooth ceramic tiles. The rod consists of an outer section with a 7/8" diameter and a spring inner rod of 3/4" diameter, allowing easy adjustment to fit various window sizes. Installation is straightforward with included instructions, enabling you to mount the rod in just five minutes without drilling. Its sleek, modern design offers a simple and elegant look, making it versatile for indoor use in living rooms, bedrooms, dining rooms, and kitchens, as well as outdoor spaces like patios. The tension mechanism ensures a secure fit, providing a reliable solution for hanging curtains or shower curtains. This expandable, pressure spring curtain rod combines practicality with style for a variety of home and outdoor applications.