1. V-shaped springs are practical tools commonly used in tents, umbrellas, RVs, fitness equipment, crutches, photographic equipment brackets, etc. 2. Made of 65Mn spring steel, the structure is firm and stable, not easy to break or deform, and can be used for a long time 3. Round tube facilitates quick release, telescoping, clamping, and folding. It is the right choice for telescoping, hole positioning, and stretching products. 4. These tent pole clips are simple and convenient for you to assemble inside the pipelines, and you can effortlessly lock or open them by pressing a button on round or square pipelines, saving your time and effort in the installation process. 5. Suitable for kayak paddle, tent pole, or other locking tube. 6. Notice: Please confirm the v-shaped spring size before ordering. How to use 1. Prepare snap button clip 2. Bend the clip 3. Put the clip in the pole 4. Snap the button clip into the hole 5. Push the outer tube until it catches the button