Cavity Box,switch box, 1) CE,SASO,SONCAP,ISO9001 Certificate 2) Cavity Box,switch box Cavity Box,switch box,electrical boxFeatures:1) W805: 25mm single cavity box2) W806: 16mm single cavity box3) W807: 35mm single cavity box Inner packing: 10pcs/color boxouter packing: 200pcs/carton