Manufacturer: Medline Industries Inc Guardian red dot youth push-button auxiliary crutches l adjustment range, 4ft 6" 5ft 2" adjustable user height, latex-free. Clip-lock adjustable handle and push-button foot pieces for fast, precise measuring and fitting in ten seconds. Features: -Made of lightweight aluminum with sizes to fit youth through tall adults. High density, rubber cushions and hand grips provide long wear and greater comfort. -Adjusted handle and push-button adjusted height allows for ten second adjustments. -1" adjustment increments on both hand grips provide long wear and greater comfort.