* Safety: With anti-slip rubber foot and slide latch for each step to make it safety when using it. And the ladder Approved by Safety Standard EN131; *Portable and Space-saving Storage: The telescopic ladder Extension Max Height is 16.6FT/5M and can be folded down to 93.5*48*8cm, which makes it easy to carry or store in your car or other limited space without taking too much space at all. *Multi-Purpose: The ladder can be extended the length as required. Suitable for domestic and commercial uses. Great helper for both indoor household use and outdoor activities; Fully Extended : 500cm*48cm*8.5cm, Folding（98cm*48cm*8.5cm), Step spacing :40cm. *Heavy Duty: Made of high quality aluminum alloy. Which is waterproof, corrosion resistant, stable and durable. The gross weight is only 13KG but the Max capacity is 150KG/330 Pounds; The telescopic Ladder that is versatile and portable ladder for both indoor, outdoor, office, warehouse, bookshop ,Library use. * Easy Operate: Extension and retraction, for extension, pull a section up, hear the "click" sound, confirm both left/right locks are in place; for retraction, unlock one step and step, do not put your hand in the Step spacing avoid clip your hand.