Feature: --Lightweight stainless steel design --Easy Movement, Space-saving Storage --Multi-level locks to improve carrying capacity --A variety of free heights, suitable for different spaces --Efficient folding, easy to store and carry --2 Detachable Hooks --Triangular design --Great for garden, office, warehouse, archives maintenance room, library, bookshop, window washing cleaning job. When do we need hooks 1.the wall is slippery, or you need to rely on wire rods to erect for work, you need a hook, the hook is easy to disassemble, rotate 360°. 2.When the wall is slippery, or you need to rely on wire rods to erect for work, The hook is easy to disassemble, rotate 360°. Specifications: Number of Ladder Step: 14 Step Interval: 30cm Max. Load: 150kg/330lb G.W.:13.8kg Material: Stainless steel Color: just as the pictures show 4.4m/14.4ft (extendable height) Package Size: 47.5cm x7.5cm x 98cm Dimensions (when fully opened): 440cm x 46.5cm x 8.5cm Package included: - 1 x 4.4m/14.4ft