The Clock Key Gauge is an essential measuring tool for identifying the exact size of clock winding keys with accuracy. Designed to display both numbered key sizes (Nos.) and millimeter (mm) readings, this gauge ensures a precise fit for any clock mechanism. Constructed from high-quality, durable material, it offers strength, longevity, and resistance to wear. Ideal for clockmakers, collectors, and horologists, this compact and lightweight gauge makes key size identification fast and efficient. A must-have clock repair accessory for ensuring the right fit every time.
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