Ground screw for bumbersoll
Usage:As a foundation to install umbrella in the garden or somewhere else.
Material:Iron steel+hot dip galvanize,zinc coating more than 40μm
Redrawing tube and no any joint on the body make it stronger.
How to install it?
Use the deformed steel bars cross of the top hole,Then rotate the bar，then the spike can be drive into the earth.
It is not difficult to install with the sharp spike.
There have some different plastic clips can suit for different bumbersoll handl...