Stay active and mobile even while recovering from an injury or surgery of the foot ankle or lower leg with knee rover all-terrain steerable knee walker knee scooter. It s an excellent heavy-duty crutch alternative with a detachable storage basket. This indoor-outdoor all-terrain knee scooter features 12 diameter off-road pneumatic tires designed to easily traverse grass sidewalks gravel and dirt with incredible ease and agility. It tool-free assembly setup and height adjustments. It s compatible with both the right and left legs and offers a 3 thick contoured knee platform and ergonomic rubber hand grips for complete comfort. Available in blue it offers a 400 lbs weight capacity and is recommended for individuals with heights 5 - 6 5 .