General description The 2 Pieces Clock Mechanism is designed for large wall clocks, featuring a silent movement system that ensures a peaceful environment. This clock mechanism includes an hour hand and a second hand, both crafted from high-quality materials for durability and performance. Technical specifications Needle model: hr9865 hour hand + second head Hour hand size: 90mm Second head diameter: 7mm Suitable for panel diameter: approximately 200 - 250mm Material: aluminum hour hand, copper second head Movement external dimensions: 56 x 56 x 16.2mm Movement shaft length: total shaft length 13mm, thread height 8.6mm Compatible panel thickness: about 4 - 6mm Battery type: No. 5 battery Service life: 6-8 years or more Compatibility and accessories Includes iron hook Golden hexagonal nut Golden huass Black adhesive pad Other information All components are CE and ROHS certified.