The product diameter is 55cm. It is produced with 3mm black MDF on 3mm walnut MDF using High Technology Laser Machines. It has a 1st class Silent Flowing Mechanism. The hour hand measures 13cm, the minute hand measures 18cm and the second hand measures 18cm. An authentic atmosphere has been added to the product by using a black bolt with a metal Allen Head. The product will be sent to you disassembled to avoid damage during shipping. You will see the installation video when you type GİZEM SHOP Antique Clock Installation on YOTUBE. There is also a QR code in the package where you can access the video. The box contains all the materials and an allen key for installation.