Specification Binding : Health and Beauty Brand : drive IsAdultProduct : false Label : Drive Medical Manufacturer : Drive Medical PackageDimensions : 0.19 PartNumber : 10208K ProductGroup : Health and Beauty ProductTypeName : HEALTH_PERSONAL_CARE Publisher : Drive Medical SmallImage_Height : 42 SmallImage_URL : http://ecx.images-amazon.com/images/I/41SBJeGhk0L._SL75_.jpg SmallImage_Width : 75 Studio : Drive Medical Title : Drive Replacement Parts for Go-Lite Bariatric Steel Rollator Model 10215 & 10215J (Each Part Sold Separately) - 4. Height Adjustment Knob - 1 Each