Mechanical lock for mailbox with 3-digit code in black zinc, 20mm

🔐 General Description: 3-digit combination mechanical lock for mailboxes, cabinets, and lockers — robust, keyless, and ultra-easy to use. Ideal for demanding individuals and professionals: secure your mailboxes, shoe cabinets, staff lockers, or wooden furniture in a snap. ⚙️ Technical Specifications: Material: High-strength zinc alloy; Color: Ruthenium black (other options: gold, cyan); Rod length: 20 mm (suitable for panel thicknesses from 0.5 to 12 mm); Code: 3 digits — 1,000 possible combinations; Initial code: 000; Contents: 1 mechanical lock 🔧 Installation: Quick and intuitive installation — no complex tools required. Secure the lock by drilling a simple 20 mm hole. The 20 mm threaded rod fits perfectly into standard furniture. Perfect for DIY beginners and experienced users alike. 🔄 Operation: Extremely simple to use: enter your 3-digit code to open or close. To change the code, press and hold the designated hole under the lock (when open), then set your new code. Release – that's it! No keys to lose, no batteries to replace. ℹ️ Other information: 100% brand new, ready to install. Suitable for mailboxes, metal lockers, wooden cabinets, or interior cupboards. Sleek design and premium finish for discreet and elegant integration. Reliable, quiet, and durable mechanical lock – the smart solution for effortless everyday security.