These crutches are strong, yet lightweight. Crutches are adjusted by pushing a button and sliding the post to the proper height printed on the crutch. There is a height scale printed on the crutch to help eliminate trial and error when sizing. Comes completely assembled with crutch pads, handgrips, and tips. Vendor Item #: A975CO NDC #: 23601231000 Patient height/weight: 5’10”-6’6” Armrest to Floor 52-60” / 250 lb