Ladder offers a type IA, 300 lb. duty rating and telescoping design for maximum versatility. Offers 13 working height positions up to 13'. Adjust height quickly with spring-loaded "J" locks. Adjust angle position easily with soft-touch push knobs. Ladder has double-riveted flared bottom for firm support. Smooth curved rails for comfortable climbing. Includes professional grade hinges and storage case. Ladder has slip-resistant feet and double-riveted steps for long-lasting durability.