Vinyl Upholstered Back fits most popular wheelchairs including Healthline, Drive Medical, Invacare standard 20 Inch Wide Wheelchairs. Padded Back has universal hole spacing 1 ¾ 5 ½ 5 ½ 5 ½ . Vinyl Backrest for wheelchairs provides additional convenience and comfort during travel. If your old accessories are worn out, then this Healthline Part will be a good solution for replacement. Comes complete with bolts and washers. Wheelchair accessories are easy to install and clean. Unscrew the old accessories and replace with the new ones using the bolts provided. By changing your old and worn accessories you can extend the life of your chair. Provides maximum comfort, smooth to the touch. Made with durable vinyl, this Wheelchair back is easy to install and instantly upgrades the look and feel of your wheelchair.