This multi-purpose ladder can be used as a stepladder (single or double), a straight ladder reaching up to 5.7m. 3.5M 15.4/18.7FT Multi-Purpose Aluminium Foldable Ladder Extendable Step Ladders. 15.4FT Aluminium Folding Ladder Multi Purpose Extendable Step Loft Ladders 14in1.
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