uxcell Cable Connect Electric Project Case Junction Box 320x240x110mm Product Name : Junction Box;Mounted Type : Surface Mounted External Size : 320 x 240 x 110mm/12.6" x 9.5" x 4.3"(L*W*H);Internal Size : 310 x 230 x 100mm/12.2" x 9.1" x 3.9"(L*W*H) Fixing Hole Diameter : 3mm/0.12";Fixing Hole Center Distance : 261 x 150mm/10.2" x 5.9"(L*W) Material : Plastic;Color : Light Gray Net Weight : 1000g;Package : 1 x Junction Box