INVACARE SWIVEL WHEEL ATTACHMENTS 3in SWIVEL WHEEL ATTACHMENTS WITH REAR GLIDE TIPSIn addition to having the benefits of fixed wheel attachments, swivel wheel mounts allow the 3in wheels to turn in a complete circle. This makes the walker easier to maneuver in confined areas such as elevators, apartments and retail stores. Swivel Wheel Attachments add 4 1-4in to the height of a walker.Height Adjustment: Adult: 34″ – 37″ Junior: 29″ – 32″