he base of the lightning rod whole root not segmented with the base, detachable threads. The material is 304 stainless steel
High total: 3 m.
Three ball diameter: 500 mm, 350 mm and 250 mm.
The main stem diameter: ¢76 ~ 76.
Steel tube thickness: 3 mm.
At the top of the needle diameter: ¢38 solid stainless steel