practical series distribution box,metal enclosure,power box,power distribution size: 2-4 way,5-7 way,7-9 way,10-13 way,14-18 way,20-26 way,28-36 way,42-54 way,56-72 way. Features: 1)Elegant model,unique and good-looking 2)Easy to install adjustable structure,flexible and spacious layout of the wiring inb line with modern building design requirement 3)Materials: Panel:cold-rolled metal,metal frame.AS plastic cover. bottom box/base box:import cold-rolled steel plate by plastic coating 4)the metal bridge which fix the circuit breaker can be moved up and down,easy for installing the circuit breaker