2.3m,2.6m,2.9m,3.2m aluminuim portable folding telescopic ladder stairs 1.many styles 2.high load 3.high qulity 4.low pr 2.3m ... ,2.6m,2.9m,3.2m aluminuim portable folding telescopic ... good quanlity and diffent styles as follows : meet EN131 standard . 2.3m,2.6m,2.9m,3.2m aluminuim portable folding telescopic ladder stairs