Tymac® Metallic while-in-use cover. NEMA-3R rating. Weatherproof protection. 8-in-1 configuration. Heavy duty die-cast metal construction. Meets or exceeds Extra Duty® specifications. Patented Quick-Fit™ keyhole mounting system allows cover installation in under a minute. Includes gasket and mounting hardware. Base configuration with patented Knock-Out™ technology for custom fitting. Premium powder coat finish. Lockable tab. Robertson/slot combination head screws.