1)" electrical box " with M3.5nut 2)Sizes:3"x6" 3)Color:white/black 4)easy to equiped, long life for use 1) name:switch box, 2 gang box , 1 gang box,flushing box,surface box,distribution box ,surface box , mounted box ,wall box ,electrical box 2) sizes: 3"x3",3"x6"box, 20mm/25mm knockouts3) material : pvc4) Uses : electrical or construction5)Payment terms: 30% T/T, balance before shipment6) ...