Upgraded Tri-fold Design - Hiking poles provids telescopic and foldable tri-fold design. You can freely adjust the lenght from 43" to 51" to fit your height comfortably after easy installing. What's more, they can folding down less than 14" to store in your backpack, luggage, or duffel bags. Ultra Lightweight & Sturdy- Our Trekking poles made from Aluminum, which withstands pressure and impacts better than carbon fiber. A surface treatment creates a protective coating against corrosion, which provides a high level of corrosion resistance. Aluminum bends without snapping, which are best for long-distance trekking and trips where durability is the primary concern. Ergonomic Design for Protection- Our trekking poles provide a suitable height selection and come rubber tips, which can enhance stability on different terrain. The EVA Foam Handle is sweat-absorbent, skid resistance groove design and comfortable. The wrist straps are adjustable, they can let you relax your grip slightly and transfer some of the pressure to your arm. Installation Tips- Watch the video below our pictures to know how to install trekking poles. Please confirm the screw is tightened when using. The height of the poles has adjustment range of 20cm. Choose the sizes that best fit you. Trusted Choice- If you have any questions about the product or are not satisfied with it, please contact us at any time. We offer you the best solution. Your satisfaction is our main concern.