Five acids and touchstone to determine the karat of different metals. The results are seen visually, the use of gloves and protective glasses is recommended. Selling unit: One set
Seven acids and touchstone to determine the karat of different metals. The results are seen visually, the use of gloves and protective glasses is recommended. Selling unit: One set
Three acids and touchstone to determine the karat of different metals. The results are seen visually, the use of gloves and protective glasses is recommended. Selling unit: One set
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