"This Xtend N Climb ladder features heavy-duty construction and is designed to hold up to professional use, making it a great choice for contractors or the serious do-it-yourselfer. The ladder extends in 1-ft. increments and folds to 32 1/2in.H when not in use, so it stores virtually anywhere. OSHA and ANSI approved. OSHA Approved Yes, Capacity lbs. 300, Finish Type Anodized, ANSI Approved Yes, Product Type Ladder, Foldable Yes, Common Usage Contractor, do-it-yourself, Height in. Up to 150, Material Aluminum alloy. Features rugged aerospace engineered 6061 aluminum alloy construction with a clean-touch anodized finish No-pinch closure system, nonslip end caps and integrated carry handle"