Robustline Multi Purpose Folding Extension Ladder 4X5 (20 Steps)

【RELIABLE & DURABLE】Our Robustline Multi Purpose step ladder features heavy-duty aircraft-grade aluminum, maximum load capacity is 530lbs. Covering 3 layers of anti-corrosion coating based on the original aluminum alloy, dont worry about rusting even after long-term use. The multi-purpose folding ladder is very sturdy and durable. 【7 IN 1 MULTI-FUNCTION】The Robustline extension ladder can be changed into many different shapes to meet your different height requirements and working needs. A scaffold, leaning ladder, or step ladder. 【SECURITY SECURITY CLICK & LOCK SYSTEM】 The lock design on each joint makes it convenient to fold and unfold the ladder. 【SAFETY & ANTI-SLIP DESIGN】The Robustline multi-purpose folding ladder comes with 2 rubber feet to prevent slipping on smooth floors. It has zigzag anti-slip foot straps which can prevent the ladder from sliding during use to a certain extent.