Heavy-Duty Aluminium 3-Section Combination Ladder - 4. 89m (2. 09m Closed Height) Introducing our heavy-duty combination ladder, meticulously engineered to meet EN131 Professional (2018) standards, GS and NF approvals, featuring slip-resistant rubber feet, wide epoxy-coated steel uprights, and a splayed base for unparalleled stability. Along with this, it can be used as a standard combination ladder as well as an extension ladder, offering you unrivalled versatility. &