This 4" x 1-1/4” orange CC Apex Rigid Caster is a great caster choice for those who need a durable  quiet and ergonomic caster CC Apex 1-1/4” wide caster wheels feature a high quality polyurethane tread that stores and exudes energy to help boost ergonomic performance and reduce vibrations of carts and equipment  offering a smooth and quiet ride that make it ideal for medical environments