The present invention relates to a dual cabinet for storing examination papers, more particularly, to a dual cabinet for storing examination papers to safely keep the examination papers for student performance assessment not to be taken out by covering the gap between the upper and lower parts of an outer cabinet and the gap between upper and lower parts of an outer door with a finishing unit of a gap reinforcement member by fixing the gap reinforcement curved in the up and down at the upper and lower ends of the outer door of the outer cabinet of a dual cabinet comprising an inner cabinet and an outer cabinet, to reinforce the security of the cabinet by engaging an adjustment bolt formed with a hexagon head screw by fixing the nut to a through-hole by making the through-hole in the backside corner of the bottom of the inner cabinet to a nut from the inside of the cabinet prevent forcible opening of the outer door of the cabinet and to easily adjust a backside height of the cabinet from the inside of the cabinet.;COPYRIGHT KIPO 2014
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