• Set of 2 universal keys PTT T10 and F10, designed to open 80% of mailboxes, mailbox batteries, and entrance lobbies without Vigik system. • Ideal for professionals such as delivery personnel, real estate agents, craftsmen, concierges, and maintenance agents. • Made of high-strength steel, ensuring durability and resistance to intensive use. • Compatible with standardized mailboxes and standard office barrels, as well as individual and collective B.A.L, building mixers, and parcel pass-throughs. • Allow efficient and secure access to multiple lock systems in residential and professional environments.