This "10K" stamp can be used to mark 10 Karat gold. The stamp is cut into 0.25” (7mm) hardened steel square stock. The size of the "10K" is 1.0.0 mm. It is bent to allow ease of positioning inside rings or other hard-to-reach areas, but also works perfectly on flat areas. The stamp is 3.38” (85 mm) long and has a beveled top for striking with a heavy mallet.

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