... PillarDiameter*Height*Thickness48×1,000x3mmpc4.3548×1,500x3mmpc6.5348×2,000x3mmpc8.748×2,500xmmpc10.8848×3,000x3mmpc13.05 Horizontal pipeDiameter*Length*Thickness48 ... 500 2,090pc7.61,829 2,000 2,643pc7.92,046 1,000 2,170pc7.652,046 1,500 2,450pc7.72,046 2,000 2,799pc8 ... , It has ladder ,triangle and square three different version .2) It often use in performance venue ,concert .The main characteristics ...