Drive Medical Rear Glide Walker Brakes with 3" Wheels, 1 PairAdd safety to the use of a wheeled walker with rear glide brakes from Drive Medical. The brakes attach easily to the rear legs of the walker and the wheels help it glide smoothly along the surface until weight is applied to the hand grip, activating the brakes' rubber tip to promptly stop the walker. The brakes are also height adjustable and suitable for users up to 350 pounds. Some Assembly Required