Two sets of metal clock winding keys designed for mechanical clocks. Simple to use and built for routine winding and maintenance of mechanical timepieces. Key benefits Reliable winding tool that restores regular operation of mechanical clocks by providing a proper fit on the winding arbor. Saves time otherwise spent searching for a matching key or visiting a . Two sets included for spare use or for multiple clocks, so you always have a replacement when needed. What it does Function: Winds mainsprings on mechanical clocks to keep them running. Easy to install: Place the key on the winding arbor and turn according to your clock instructions for smooth, controlled winding. Durable construction: Metal keys provide solid feel and consistent performance over repeated use. Important attributes Quantity: Two sets included. Material: Metal construction for durability and a stable grip. Compatibility: Intended for mechanical clocks that accept a removable winding key. Check your clock arbor shape and size to confirm fit. Performance: Provides reliable torque for regular winding and routine maintenance. Practical use scenarios Home maintenance: Keep a set near your mantel or wall clock to wind it on schedule and maintain accurate timekeeping. Replacement for lost key: Use as a direct replacement when a clock key is misplaced or worn. Workshop or collector use: Keep a spare set available while servicing multiple mechanical clocks or maintaining a small collection. Usage tips Confirm that the key matches the arbor before applying force. Turn the key smoothly and stop when you feel resistance as indicated by the clock manufacturer. Store the spare set in a dry place to avoid surface wear. Contents Two sets of metal winding keys for mechanical clocks. This product is intended as a practical winding solution for compatible mechanical clocks. Use according to your clock instructions to ensure safe and correct winding.