Includes master commercial locks with two keys, mail slot and weather protection hood, trim and solid rear cover. Private access. One PL6 (parcel locker). Six door high unit. Front loading. For indoor or outdoor use. Stainless steel hardware. Durable powder coated finish. Three keyed heavy duty cam lock door with a dust and rain shield. USPS-STD-4C Specifications. ADA compliant. ISO 9001: 2008 certified. Made from heavy gauge aluminum. 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. PL6: 20.75 in. H. Overall: 31.13 in. W x 17 in. D x 23.5 in. H (80 lbs.). Installation Instructions . Ideal for colleges, schools, private postal centers, corporate mail centers, military bases, government agencies and many other applications. Outgoing mail compartment cannot be used for mail distribution.