2.38 in. thick legs. 3.5 in. thick top rail. Galvanized steel pipes. Self lubricating hangers. 4/0 galvanized welded chain. Comes with swivel hanger. Applicable for ages from 5 years to adult. IPEMA certified. 432 in. L x 336 in. W x 84 in. H (460 lbs.). Assembly Instruction . Warranty . This product must be used as intended and with adult supervision. ShopLadder acts only as a sales agent for this product's manufacturer, and as such, had no involvement in its design or production, or instructions for use.