【 Sturdy Construction 】Solid structure with rolled nickel surface treatment , rust resistant and wear resistant , maintaining smooth performance even after long term use 【 Easy Installation 】Complete set of accessories (lock cylinder , spring clip , nut , washer , key , special shaped lock plate) included , no professional tools required , allowing easy installation or replacement in 5 minutes 【 Security Protection 】Features a lock cylinder design that rotates 90° clockwise , effectively preventing forced cracking and ensuring the safety of mail and packages 【 Wide Compatibility Design 】Multifunctional special shaped lock plate fits various mailbox models , solving the installation difficulties of traditional locks 【 Instant Security Upgrade 】Quickly replace old locks , reduce security risks , and avoid mail loss due to aging locks, Manufacturer: PATNFR