Extendable curtain pole design,the length is adjustable from 76 to 136cm. curtain rods are much more studry than others.Adjust pole to desire size by simply sliding the outer 19mm (BCD) and inner 16mm (A) pole. 76cm minimum and 136cm maximum length.Decorative Ball finials on either end provide a visually balanced appearance, match windows of multiple house styles. 3pcs wall mount brackets are capable of holding heavy curtains or voiles, up to 30 pounds, The middle of the rod not easy to bent.Easy to assembly, Curtain pole comes in 3pcs 19mm (BCD) rod and 1pc 16mm (A) rod. First connect 19mm rod together; Second insert separately 16mm rod from both ends of 19mm rod. The adjustable curtain pole set is already assembled perfectly.