Tubular steel.
Sled Base (For carpeted surfaces only).
FRW™ hard plastic work surface, or a particleboard-core high-pressure laminate work surface with beveled and lacquer-sealed edges or Sure Edge surface edge treatment.
Available with a bookrack.
Molded Martest 21 or Fortified Recycled WoodTM (FRWTM) hard plastic seat and back.