fiberglass reinforced plastic sheet: 1.Low Density 2.High Strength, Tenacity, and Modulus 3.High Corrosion Resistance plastic sheetfiberglass reinforced Qualifications: SGS, REACH CompliantMaterials: fiberglass,epoxy resin, etc ... shafts, slide guides, boat, kayak2) Tool: umbrella shaft, umbrella rod, curtain rod, fence post, rail, handrail, frame for cases and bags, flag ...