National Public Seating’s 300 Series Triple-Brace Steel Folding Chair offers maximum durability at a price that won’t break your budget. The 18-gauge tubular steel frame features double-hinges, V-shaped stability plugs and three double-riveted braces, so it will easily stand up to everything your students and faculty can throw at it. The double-contoured backrest and waterfall seat provide comfortable support during long assemblies and conferences. Plastic non-marring glides protect your floors from harm as chairs are set up and moved around. Optional ganging brackets make it easy to create straight rows of seating. Meets all ANSI/BIFMA standards.