Hubbell-Raco 7820RAC 3-1/4-Inch Deep Non-Metallic Cable Electrical Box with 4 x NMSC Clamps, Gang and 2 x Captive Nails, 2-1/4-Inch x 3-19/32-Inch Heavy-duty plc. construction 20.0Cu. In. Capacity Positioning tabs for fast, accurate mounting on studs or joists Oversized nail support that resists hammer impact and prevents box deformation Upc barcoded