Superbat Aluminum Box Enclosure Case -3.15"*0.96"*0.94"(L*W*H) Dimensions (outer):24mm(0.94")(H)x24.5mm(0.96")(W)x80mm(3.15")(L) Dimensions (inner):21mm(0.83")(H)x21mm(0.83")(W)x80mm(3.15")(L) notice:no screw included