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By certification 
AM0112C aluminum multipurpose ladders and access equipment
12 steps aluminum multipurpose ladders and access equipment is a super-versatile, multifunctional model, with 3.8 meters extension length and AS/NZS standard tested. can be opened and locked for changing the shape of ladder easily while guaranteeing the security
FEATURES
● Compact folded dimensions for easy transportation and storage
● No assembly required
● Simple click-lock hinge system
● Suitable for a wide variety of uses
● the special leg make it more steady
● Heavy-duty 6063
Product information
http://www.ladderclub.com/
