Heredeco&reg; Multi-purpose Aluminum Folding Telescopic a Frame Shape Ladder (16.5FT) High quality foldable telescopic style ladder with 4-way combination ladder system Foldable design, convenient to use and easy to carry around Highly versatile and can be used for many tasks. Great helper for both indoor household use and outdoor activities Black anti-slip rubber sleeve on the bottom of ladder step and stable locking key between two neighboring steps to avoid bumping and friction Constructed from high quality and polished aluminium