Steel Construction - Crafted from thickened metal plate for exceptional durability in industrial environments. Enhanced Security devise - Features a reinforced key cylinder to prevent unauthorized access to your valuable equipment. Weather & erosion Resistant - Coated with zinc alloy to withstand moisture and extreme temperatures, ensuring long-lasting performance. Compatibility - devised to fit standard electrical panels, boiler housings, and compressor units for versatile use. Tool-Free Installation - Comes with pre-drilled mounting holes and included security screws for quick and easy assembly., Manufacturer: QABYULYNQ