Aluminum telescopic ladder 1.GS EN certificate 2.1.2mm thickness of material 3.aluminum model:6063 High quality,Best pri Aluminium telescopic ladder 3.8m with ... , 2.9m, 2.6m, 2.0m multi-time fold single telescopic ladder (WITHOUT GASKET) C: 3.8m, 3.2m, 2.9m, 2 ... .6m, 2.0m multi-time fold single telescopic ladder (WITH GASKET D: Double telescopic ladder (Telescopic step ladder): 1.7m+1.7m, 1.7m+2 ...