Conforms to Germany GS Certifitcate(with En 131 approval) High-strength aluminum alloy 6063 Aluminum Multi-Purpose LadderConforms to Germany GS Certifitcate(with En 131 approval)High-strength aluminum alloy 6063Anti-skid strips on the rung surface & special riveting echnology for rungs and bracketsCan be folded into different shapes to meet your working conditionsCan be used as scaffold, ladder, ...