Features: Make from metal, these springs ensure long terms performances and reliability. Firmly and stable in construction, not easy to break or deforms, can keep and apply for long terms. These tent poles clip is simple and convenient to assemble inside the pipelines, and can effortlessly lock or open by pressing a button round or square pipelines. Quickly snap into round tube, the top beads is fixed, and the rear tent poles will not be dislocated. Suitable for providing quickly release, telescopic tube, fishing rod, folding tent, gift, fitness equipment, crutches, stroller, rack, photographic equipment rack. Specifications: Component: Metal Width: about 8mm/0.32inch Round Buckle Diameter: about 6mm/0.24inch Package Includes: 5Pcs Tent poles clip note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.