The Little Giant Alta-One Model 13 is the lightest 13-Feet multi-use ladder on the market. The Alta-One is the ultimate in strength, safety and versatility. You can count on quality performance for years to come. The hinge locks and telescoping sides let you safely use the Little Giant Alta-One as an adjustable extension ladder, A-frame ladder, staircase ladder, and as trestle-and-plank scaffolding system. Wide-flared legs, rubberized-feet, and high-quality construction give you unmatched stability in any of its 16 unique configurations. Because it is constructed of aerospace-grade aluminum, the Alta-One is ultra-light and ultra-strong. The Alta-One is rated to hold up to 250-Pound. on both sides, so it’s perfect for medium-sized jobs.