Features: Mechanical clock movement drives: for enhancing the functionality of your clocks. A great accessories for clock enthusiasts. Pendulum clock replacement parts: this pendulum clock drives unit is a great replacement, providing you with professional component for your clocks. Battery operated pendulum clock part: pendulum drives unit is manufactured with plastic to ensures great and long performances. Quartzs clock drives unit: the practical part for pendulum clock is compatibles with various types of clocks, such as craft clock, no frame wall clock. Pendulum drives unit: Replace the old or damaged pendulum drives with a new. Specifications: Component: Plastic Color: Black Size:Approx. 7.6x15.3cm/2.99x6.02in Quantity: 5Pcs Package Includes: 5Pcs Pendulum Clock Drives Unit note: Please allow 0-1cm error due to manual measurement. please make sure you not mind befores you bid. Due to difference between different monitors, the picture may not reflect the actual color the item.