Extended length:3.8m Closed length:0.78m N.W:11KG Load capacity:150KG Gained CE -EN131 Certification and Patent Protected Material: Aluminum alloy All kinds of colors are available, the color never fade after electroplating and protect ladder from rot, scratch etc. Either one time fold or multi-times fold design, different lengths within 3.8m can be adjusted. Smart size and light weight very convenient for carrying and storage .