Wolaid Adjustable Lightweight Crutch with tube Extruded Aluminum, Arm Cuff & Handgrip P.P. (Polypropylene), Tip Rubber, Overall Height 85-116 cm, Diameter Of Upper Tube 22 mm, Diameter Of Lower Tube 19 mm, Thick. Of Tube Wall 1.2 mm, Weight Cap. 120 kg, Net Weight 0.48 kg.