... holders/vine stake (tapered), flagpoles, curtain poles, umbrella rib, etc. FRP/GRP/Fiberglass Solid Rods FRP rods are of long service life, light ... , goal frame, kite framework, plant holders/vine stakes (tapered), flagpoles, curtain poles, umbrella rib, cable pole, etc. Diameter (mm)Weight (g ... .0757.9948.51039.5135101511117812.72341533917.5432195182269525865281140321450 FRP/GRP/Fiberglass Solid Rods