... .Connection rows:1-12 3.Insert:Brass 4.Screw:Galvanized iron Durable screw terminal block1. Color: white2. Current/Voltage/Power: ... relative technical support /consultant ;We have our own export right for ten years .5. Application :home ,office ,factory,supermarket ... MaterialHigh quality PC PP PAInside MaterialHeat-resistant PA66 Nylon for back base. High quality brassColorNature Black,Bule ,Red ...