Quality quartz clock mechanism, 1 year warranty. Works with 1 LR06 stick battery (not included) + integrated swing system Size: 5.60 x 8.70cm (excluding balance wheel) Comes with a pair of shiny black hands & second hand Other needle models are also adaptable to this mechanism, see the other items in my shop. I also offer a golden balance wheel that fits this mechanism, see the other items in my shop. You can also create your own pendulum. This mechanism is perfect for all pendulum or clock creations. Size of attachment point at end: - Minute hand: 11.5cm - Hour hand: 8.8cm For dial up to 8 mm thick. Comes with all accessories: Nut, washer, rubber, hook Clock Pendulum Mechanism Hands Hole 8.8/11.5cm Diy Quartz Movement Battery Operated Creation Repair