Upgrade your walker to tackle any terrain. One Off-Road Walker Kit converts your walker into an off-road mobility tool that won't limit you to pavement, instead helping you maneuver grassy areas, dirt paths and more with confidence. Easily secures to your walker's front legs with locking pins and holes. Height adjustable legs. Slip the included oversized walker skis on the rear legs and enjoy a smooth-gliding ride. Legs add 6"–13" of height. Sturdy aluminum 1" dia. legs. Supports up to 250 lbs. 8" no-flat tires. Durable plastic skis. Skis measure 5 1/2" L x 2" W each.