- Specification: Tension curtain rod adjustable from 11.81 to 19.69 inches (300-500 mm). Outer rod diameter 13 mm (0.51 in). Inner rod diameter 10 mm (0.39 in). - Firm non-slip: Made of strong metal with plastic end caps and a baked enamel coating. Designed to extend with enough tension to support the load. - Multifunctional: Rubber end caps provide traction and a sturdy hold on both smooth and rough surfaces such as wallpaper walls, tile walls, glass, and wooden frames. - Tool-free installation: No tools required. Simply twist to tighten, no drilling needed, and it will not collapse. Easy to clean. - Use scenarios: - Hang lightweight curtains in rental homes or apartments where drilling is not allowed. - Create a quick room divider or privacy panel by suspending a fabric or decorative curtain between walls, cabinets, or doorways with tile or glass surfaces. - Use in kitchens, bathrooms, or laundry areas to hang decorative or sheer curtains on tile or glass surfaces without damage.