2pcs Walker Wheels Universal Replacement with 6 Adjustable Height Settings, Rollator Wheel Accessories for Seniors Standard Aperture: Compatible with most walkers on the market, these wheels help convert your walker into a smoothly rolling device, enhancing mobility and reducing physical strain for elderly users. Plastic Wheels: Constructed from durable plastic, the wheels provide smooth movement across various surfaces including tile, cement, wood, and carpet. They are designed to leave no marks and will not scratch floors. Stainless Steel Leg Extensions: Equipped with strong and durable stainless steel leg extensions that resist deformation and support heavy weight for long-lasting use. Easy Installation: No tools required. Simply remove the lower portion of the front legs of your walker and attach the wheel assemblies. Adjustable Height: Features six adjustable height positions with secure locking mechanisms, allowing personalized height adjustment. The fixed aperture design ensures stability and safety during use.