Fully assembled out of the box. Easy push-button mechanisms may be operated by fingers, palms or side of hand. Each side operates independently to allow easy movement through narrow spaces and greater stability while standing. Sturdy 1″ diameter aluminum construction ensures maximum strength while remaining lightweight. Newly designed rear glide cap allows for walker to slide easily and smoothly over most surfaces. Vinyl-contoured hand grip, comes with wheels. Piggy back label is supplied on product hang tag. Inside handgrip 17″, inside back legs 20″, product height 32 – 39″.