4x3 multi-purpose folding aluminum ladder

consists of 4 articulated joint sections containing 3 rungs each, totaling 12 steps.
Key Technical Specifications.
Folded Height: 680mm (as marked on the diagram axis).
Maximum Extended Length: Approximately 3.3 to 3.7 meters (11 to 12 feet) when completely unfolded into a straight extension ladder.
A-Frame Step Ladder Height: Approximately 1.65 to 1.75 meters (5.4 to 5.7 feet).
Maximum Weight Capacity: Typically rated for up to 150 kg (330 lbs) under international EN131 safety standards.