Square conduit electrical box 1.material: steel, zinc plated,aluminium 2.thinkness:0.8mm,1.0mm,1.2mm,1.5mm 3.deep:1-1/2 Electrical box1.Finishing: pre-galvanized or electro-galvanized2.Available in size: 1", 11/4", 11/2", and 2"(with different dimensions)3.Function:used for convenience outlets, switch boxes or small junction boxes4.Mode can be changed according to your request Square Conduit ...