Polished brass 1.2mm, polished. 9mm copper and satin copper in 0.7mm, 0.9mm, 1.2mm and 1.5mm. Quality Aluminium Discs Circular Stampings / Blanks nicely finished in 1.2mm thickness - available in. The discs are polycoated on the top to protect the surface, which will easily peel off.
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