The Nova Ortho-Med Lightweight Wheelchairs 7160LE/ 7180LE / 7200LE are great chairs for longer-term users who need greater performance than a standard wheelchair. Flip Back desk arms aid in patient transfer and allow the user to more comfortably sit at tables. Padded black nylon material is re-enforced to prevent stretching and ripping. Anti-Tippers. The dual axle design allows for easy conversion from adult to hemi seat heights.