Hoffman A2420AT1PP, Control Box, Type 1 W Perf Panel, 24.00X20.00X6.62, Steel/GrayThe perforated panel that ships inside these enclosures accepts self-tapping screws and eliminates the need to measure, mark and drill when mounting components, which results in labor and time savings.Features:14 and 16 gauge steelIncludes removable 16 gauge gray perforated panel