Finish or Material All aluminum construction with a clear anodized aluminum finish Loading & Mounting Front loading for full in wall mounting and installation. Tenant mail retrieval and private delivery from front of mailbox. One compartment reserved for master Postal access for delivery to unit. Tenant Doors Tenant doors include 5-pin cam lock with two (2) keys each Door Identification Number slot with paper cards for identification. Each tenant door includes clear plastic window w/metal backplate and card for tenant number identification and labeling in the field