"MAILBOSS" LOCKING MAILBOX *21"L x 11.1"W x 13.5"H *Large capacity galvanized steel mailbox *High security locking system *Easy to install fast-Trak mounting system *Heavy 12 & 14 gauge steel *Welded body *Stainless steel hinges *Mounts onwood posts, metal posts, wood planks and multi unit Mailbox spreader bars *Includes 3 keys and reflective house number decals *Black *Boxed