Oxygen Cart with push button adjustment – adjustable in 1" (2.5 cm) increments Vinyl comfort grip, 6" Wheels, 4 – Point floor contact for greater stability Color: Black, TUFF COAT® steel tubing Height: 38½" – 42½" (97.8 – 108 cm). Overall Width: 11½" (29.8 cm). Depth: 11" (27.9 cm) Weight: 4¼ lbs. (1.9 kg). Replacement Tip #Z001317B Ship to USA only.