QPZ imported ball type lightning rod is suitable for anti-ligh building,made of copper tube. It's suitable for anti-lighting on top ... is made of copper tube.QPZ imported ball type lightning rod and earth rodearth rod(coupling,clamp,stay rod,qpz,copper rod,cable lugs,fishing ... ,fishing trackle,fishing tool,shower rod,curtain rod,bar) QPZ imported ball type lightning rod and earth rod