Detailed product description: 1. accept OEM and ODM 2. quality is qualified with price ,good service 3. all kinds of product Telescopic handles and extension polematerials:aluminum and steel (steel pvc or spraying)section:1,2,3 and 4 sectionsthickness:steel pole is 0.4mm and aluminum is 0.8mmDiameter:19,22,25 and 28Lock:outer lock and inner lockTypes of the adapter,American type screwed adapter, ...