Includes master industrial locks with two keys, mail slot as well as climate safety hood, trim and strong rear cover. Private access. Six door high unit. Leading loading. Two-fold column. For indoor or outdoor use. Stainless steel hardware. Sturdy powder coated finish. Three keyed significant duty cam fastener doorway with a dust as well as rain shield. USPS-STD-4C Specifications. ADA compliant. ISO 9001: 2008 accredited. Mail slot: 10.75 in. W x 0.75 in. H. Trim: 0.75 in. W x 0.25 in. D. MB1 door: 13.25 in. W x 3.25 in. H. Overall: 31.13 in. W x 17 in. D x 23.5 in. H (90 lbs.). Installation Instructions. Ideal for colleges, schools, private postal centers, corporate mail centers, military bases, federal agencies and many other applications . Outgoing mail compartment cannot be utilized for mail distribution.