Lockable letterbox: This letterbox by MONZANA offers an increased moisture and weather protection due to galvanised steel. Thanks to its small size, the letterbox is perfectly suitable for narrow wall surfaces. With its timeless and minimalistic design, the post box fits every surrounding. To protect your letters from unauthorised access, this mailbox has a rotary cylinder lock, including two keys . The letterbox also comes with a weather-resistant viewing window for a name sign, which can be fixed from the inside - without glue or special paper. The protection cover prevents rain getting inside the mailbox and your post will stay dry. To fix the mailbox to your wall, you just have to mount it with 4 screws to an flat wall surface. The assembly material (4 screws and 4 dowels) is included in the scope of delivery. 4 mounting holes are already pre-drilled. You are also able to expand it to a letterbox system, which makes this letterbox also ideal for apartment buildings, hotels and