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