Boltmaster Zinc-Plated Steel Flat Bar is perfect for a number of uses including support braces, safety guards, gate latches, ladder hanger and garage doors Flat Bar feature an electroplated zinc plating that gives the steel a clean, bright look while also protecting it from rust Note: Zinc-plated steel products should not be welded due to potential toxic fumes For a variety of home and commercial applications Gauge: 12 Ga