A vintage silver-tone clock winding key is up for sale. This metal clock winding key measures 2 1/2 inches in length and width. It is suitable for clocks that require winding and is made from high-quality material. This item is perfect for collectors, especially those interested in decorative collectibles, clocks, replacement parts, and tools.The inner lug section is square and measures about 3/16”. Please see photos. The key has small scuffs and scratches on both sides with light corrosion. The overall condition is excellent. Thanks.