DESIGNED WITH 1/8IN-THICK (11-GA.) STEEL FOR INDOOR USE- THIS IMPACT-RESISTANT RAIL CAN BE COMBINED WITH OTHERS TO CREATE A MODULAR SYSTEM THAT CAN BE INSTALLED- REMOVED- OR EXPANDED. THE CORRUGATED DESIGN HAS NO SHARP EDGES OR CORNERS. THE YELLOW POWDER-COATED FINISH PROVIDES ENHANCED VISIBILITY. ASSEMBLY AND INSTALLATION IS EASY- HARDWARE INCLUDED.