Drafting Kit for models 105, 118-2, 119-VAM, 122, 125, 130, 150, 200, 241, 241-VAM, 326, 336, 902 and 902-VAM. Comes with a two different extenders to increase the chair height by 5" or 9" (your choice), and also comes with a steel foot ring for comfort.
OFM Limited Lifetime Warranty