Feature 1 Made of aluminum alloy material, sturdy, durable and corrosion resistance. 2 Retractable design that supports a variety of tripods and slide rails. 3 Any angle support, meet a variety of tilt angles, stable support slide rail. 4 360rotation platform to meet any angle adjustment, equipped with universal 1/4inch screw. 5 Flexible with a variety of brackets, clamp range of 10cm-50cm.Features: 1. Made of aluminum alloy material, sturdy, durable and corrosion resistance. 2. Retractable design that supports a variety of tripods and slide rails. 3. Any angle support, meet a variety of tilt angles, stable support slide rail. 4. 360rotation platform to meet any angle adjustment, equipped with universal 1/4inch screw. 5. Flexible with a variety of brackets, clamp range of 10cm-50cm. Specifications: Material: Aluminium Alloy Section: 2 Retractile Length: Approx. 50cm / 19.7inch Expansion Length: Approx. 80cm / 31.5inch Maximum Pipe Diameter: Approx. 2.2cm / 0.9inch Minimum Diameter: Approx. 1.9cm / 0.7inch Clamp Range: 10-50cm Weight: Approx. 617g Package List: 1 * Support Rod Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.