1)" mounted box " with M3.5nut 2)Sizes:3"x6" ... 1) name:switch box, 2 gang box , 1 gang box,flushing box,surface box,distribution box ,surface box , mounted box , ... mounting control box , junction box or general service box7)switch box protects wire and cable from easy damage8)Installation ... box are used as surface mounting ,control box , switch box or general service box 2012 new hot selling surface ...