● Nimbo posterior walker, young adult, Knight Blue: The Nimbo Posterior Walker - Young Adult - Knight Blue, has a lightweight aluminum frame, is height adjustable and can be used in anterior position. ● Its one-directional rear 5" wheels with aluminum ratchet and pin mechanism adhere to any surface and will not allow the Nimbo to slide backwards. ● The anti-reverse override bracket can disengage the one-directional rear wheels and allow forward & reverse mobility. ● Front swivel 4.5" wheels enhance maneuverability and ease of turning. ● A locking mechanism easily switches front wheels from swivel to non-swivel. ● Each wheel can be independently adjusted. ● This walker has a 190 pound weight capacity. ● Dimensions: 27.2" x 37.8" x 5.9" Weight: 17 lbs Weight Capacity: 190 lbs. ● UPC: 714905090607 Notice: Typically ships in 1-2 days.