If you've been looking for a metal umbrella clamp, then your search is over! With adjustable screw design, the clamp can be installed and removed quickly without tools and suitable for most fences. Tricycle umbrella clamp made of metal with delicate gaskets and nuts are sufficient for rough roads. Features - Color: Silver. - Material: Metal. - Size: About 8.35X7.00X8.40cm/3.28X2.75X3.30in. - Two screws can be installed at different positions to ensure the firmness and stability. - The clamp is portable, durable and anti-rust. Adding stability to withstand strong wind and storms. - Made of for lasting use, Easy to install as well as to remove. - Perfect for stalls, sporting events, outside work and recreation. - Easy to install as well as to remove, used to protect your stalls objects, rained from wind or damages, etc. Package list: 2 x umbrella clamps