1.extension ladder,aluminum ladder,aluminium extension ladder. 2.material: aluminium alloy. 3.specification:2.0/2.6/3.2/3.8M. extension ladder ... ,aluminum ladder,aluminium extension ladder,aluminum step ladderITEM NO.SPECIFICATIONCLOSED DIMENSIONSN.W.G.W ... ./N.W.:10.25KG/9.25KGContainer loading:600carton/20"FCLOur ladders have passed CE,GS,SGS certification.