About the product - The KneeRover QUAD is the Next Generation knee walker, providing the ultimate in comfort, stability and all terrain freedom. Equipped with an industry first - FOUR 12 inch air filled tires, the KneeRover QUAD is perfect for navigating any terrain with ease. - Ideal for individuals recovering from injury or surgery to the foot, ankle or lower leg as well as below the knee amputees. The KneeRover QUAD is an excellent alternative to crutches and offers the most versatility among knee walkers. - Maximum stability and control when maneuvering - these steerable knee walkers offer an advanced automotive style tie-rod steering mechanism and a proven drum braking system. - Fully adjustable knee platform and handle bars with premium easy folding mechanism for simple transport and storage of rolling knee walker. - Lightweight yet heavy duty frame offers unprecedented strength and stability for a knee scooter. All Terrain KneeRover knee walker offers a 350 lb weight capacity and is recommended for individuals with heights 5' - 6'4 inch.