Feature: 1. Aluminum alloy material, CNC oxidation process, with fine workmanship, which is strong and durable. 2. The extension rod with 2 sections, and the length is adjustable from 25‑41cm/9.8‑16.1in, which greatly meets your different needs. 3. There is a 1/4 inch screw mouth at the bottom, which can be installed on a tripod or bracket. 4. The extension rod is designed to extend the height of the tripod, making installation and use simple. 5. Can switch between 3/8 inch screw interface and 1/4 inch screw interface at will, no need to change screws. Specification: Item Type: Tripod Extension TubeMaterial: Aluminum AlloyColor: As Picture ShownMaximum Tube Diameter: Approx. 25mm/1.0inFold Length: Approx. 25cm/9.8in Maximum Working Height: Approx. 41cm/16.1in Weight: Approx. 158.0g/5.6ozInterface: 1/4in screw hole, 1/4in screw, 3/8in screw Number of Sections: 2 Sections . Package List: 1 x Tripod Extension Tube Note: Due to manual measurement, there will be errors in the parameters, please don't mind, thank you!