Lightweight and Stable: 1.5mm Aviation aluminum, 46mm sleeve connection, no shaking at high places, maximum load-bearing 150kg. The thick and durable metal composition prevents dents and other deformations from occurring during general use. Feel safe and supported whether working indoors or outdoors with this premium quality aluminium alloy ladder. Flexible Height Adjustment: Ready for any job. This Telescoping Ladder conveniently unlocks at each section allowing the height of the ladder to be easily tailored to suit your precise reaching needs. The versatility of this ladder provides the support you need for various hard-to-reach jobs such as changing a lightbulb, cleaning the windows and gutters, interior and exterior decorating, painting walls, reaching items in storage and much more, this ladder should be part of your tool kit. Easy Operate: For extension, just pull a section up, hear the "click" sound, confirm both left/right locks are in place; for retraction, it's a one-hand process, unlock one step and step, it will retract. Effortless Portability: When retracted, this ladder measures at just 80 centimetres. The compact capability of this heavy-duty ladder allows for easy storage in your car, your garage, your tool shed and other areas with limited space. Because of its compact size, this ladder can also be carried and easily transported from one job to the next. Secure the ladder closed with the heavy-duty strap for convenient storage and transport. Measurements: fully opened: 380cm/320cm/290cm/260cm x 47.5cm x 8cm; folded size: 85cm/80cm/78cm/75cm x 47.5cm x 8cm; maximum load capacity: 330 lbs(150Kg).