Features: Quality construction: Both poles 12mm carbon fibre tubing, lightweighted and strong, with stainless steel connectors for superior durability and corrosion resistance. Versatiled design: ZS52727-E1D1 is equipped with 1/4 screw holes for easy installation;Both models feature side-locking screws for added security. Multiple Lengths Available: Three size available. Multiple lengths available: Three size (116mm, 216mm, 316mm) available to meet your specific needs, for panoramic shots. Wide compatibility: Perfectly compatibles a wide ranges of sports cameras and accessories, ensuring seamlessly integration with your existing equipment. Portable and Convenient: lightweighted, these poles easy to transport and can be quickly assembled or disassembled for storage. Specifications: Material: Stainless steel + Carbon fiber size:about ZS52727-E1D1 – Diameter 14x116mm/0.55x4.57in ZS52727-E1D2 – Diameter 14x216mm/0.55x8.5in ZS52727-E1D3 – Diameter 14x316mm/0.55x12.44in Package Includes: 1PC Carbon fiber lengthening bar note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.