Each side operates independently to provide easy movement through narrowspaces and greater stability when standing up, while the front cross braces are located near top of walker to allow full stride. Sturdy 1" aluminum tubing is lightweight and folds to a slim 4 1/2" for easy transportation and storage. Contoured textured latex free PVC handgrips provide additional patient comfort. Width inside hand grips: 18"; width inside base legs: 21"; depth opened at base: 16". Adult walkers without wheels are height adjustable from 32" to 39", while adult walkers with wheels go from 34" to 38". Junior walkers without wheels are height adjustable from 28" to 32", while junior walkers with wheels go from 30"to 32". 300-lb. weight capacity.