medichoice dual-release two button/folding walker, height adjustable with 3 inch wheels, aluminum, 300 lb. capacity (1 each) medichoice move freely & maintain stability, while remaining independent: when you are looking for a quality walker, medichoice's dual release folding adult walkers can provide you with just what you need. our walkers are comprised of durable anodized aluminum which makes for a stronger, more solid and stable structure that has the capacity to hold up to 300 pounds. the dual-release mechanism makes folding the walker easy, helping it to fit in tight spaces for storage or transport. contoured handgrips provide additional comfort and security. precise positioning is possible via the pegged holes that offer adjustment up to 3.25' . it has 3-inch front wheels, suitable for use indoors and outdoors.