Layher scaffolding standard 1)material:Q255 2)Tube:48.3X3.25mm 3)Length:0.33m,0.5m,1m,1.5m,2m,2.5m, 3m Layher scaffolding standard1) material: Q2552) tube size:48.3X3.25mm3) length: 0.33m,0.5m,1m,1.5m,2m,2.5m, 3m4) surface treatment: hot-dip galvanized5) with high quality and competitive price.6) OEM service provided