2 Single End Clock Keys for En Welch This is a new set of 2 size 6 single end clock keys. These are used for winding clock mainsprings. One is brass and one is nickel plated. You receive: One nickel plated clock key with a 3.75 mm hole One brass chime clock key with a 3.75 mm hole Newer versions of the item shown may be shipped, as a result, there may be a slight variation in color and design.
Related 2 Clock Keys Clockmakers Tool for EN Welch Sz 6 3.75mm
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