Radical Deal Multi-Purpose Folding Extension Ladder 8.5ft/ 9.5ft/ 10.5ft/ 12.5ft/ 14.5ft/ 15.5ft/ 16.5ft (4.7m (15.5ft) Multi-Purpose Ladder) 4.7m (15ft5) multi-function climb ladder with various configurations Great helper for both indoor household use and outdoor activities Foldable design, convenient to use and easy to carry around Approved by European Safety Standard EN131 Mainly made of premium aluminum alloy