... : 67%~74% of aluminum2. High Strength, Tenacity, and Modulus3. High Corrosion Resistance4. UV Resistance5. Electromagnetic Shielding6. ... , kick board, skate boards, paddle shafts, bows and arrows, crossbows, golf shafts, slide guides, boat, kayak2) Tool ... : umbrella shaft, umbrella rod, curtain rod, fence post, rail, handrail, frame for case and ...