Our fixed height 27" Omnia cantilever chairs offers unsurpassed comfort, style and dependability. Foot ring is welded to all four legs for optimum strength and is ideal for science, art rooms or teacher lecture seating. Double walled, ergonomically designed shell offers maximum comfort along with rugged steel frames for durability and structural integrity. Full steel sled base support rails with steel extensions to prevent tipping. Exclusive glide on rear to prevent marring or damage to floor.