Aluminum Heavy-Duty Folding Wheeled Stand-Assist Walker-BlueIMPORTANT NOTE: Don't screw the wheels too tightly or they will get stuck and won't turn. Sturdy aluminum alloy frame can hold up to 440 lbs Dual tier armrests and textured grips for easier standing Height adjustable walkers with 7 gears to change Functional walker with fixed mode and interactive mode One click folding and lightweight design for easy storage anbd carrying Non slip foot pads ensures safe usage on wet pavement Smooth and anti skid