Durable Metal Construction: Made from sturdy metal for long-lasting use Easy to Install: Comes with all necessary hardware for quick and simple installation Secure Key Lock: Features a key lock for added security and peace of mind Compact Round Shape: Small round design blends in with mailboxes and doors OEM Quality: Built to meet or exceed OEM standards for reliability

COMPX C9100 & C9200 Pin Tumbler Mailbox Locks C9100 & C9200 are the only mailbox locks approved by USPS for 4C (CBU) mailboxes. APPLICATION: Exterior pedestal-mounted neighborhood boxes.Has keyway dust shutter for lock protection.Clip mounted. OPERATION: C9100 operates clockwise.C9200 operates counter clockwise.Key removable in locked position only. KEYING: Available keyed differently only (2,000 changes). PACKAGING: Includes: a spring clip, mounting nut and (3) keys. FINISHES: » N/A