Hoffman A6044SC, Screw Cover, Type 12, 6.00X4.00X4.00, Steel/GrayIdeal for a broad range of applications, this enclosure's screw cover is secured in each corner for a positive seal but easily removed for modifications.Features:16 or 14 gauge steelSeams continuously welded and ground smoothBonding provision on coverOil-resistant gasketWeldnuts provided for mounting optional panels and terminal block kits in size 6.00 x 4.00 in. (152 x 102 mm) and largerExternal wall-mounting brackets