... manufacture all sizes you want from 1m to 6. telescopic rod and extension poleMaterial: aluminum and steel (steel PVC or spraying)Section: 1, ... is 0.8mm;Diameter: 19, 22, 25 and 28:Lock: outer lock and inner lock;Types of the adapter, American type ... screwed adapter, dual purpose push-in and screwed adapter.Size, color, length and packing can be customized according to your requirement. Telescopic rod