1* Carbon Rod 12"Carbon stirring rods are made of high density fine grain graphite. PLEASE DO NOT use for Platinum, Graphite will contaminate your metal.Rod Dimensions: 1/2" - 12.7 mm Diameter x 12" - 340 mm Long (Approx) Buy with Confidence, 14 days money back Guarantee.Delivered with Royal Mail (2-3 days.)Please ask if you have any questions. IMPORTANT INFORMATION:Carbon Rod to Mix & Stir your precious metals, scrap metals while melting, graphite is also used to remove any impurities on the surface of the molten metal much like a skimmer. The carbon rod is used when melting Gold & Silver metals with Torch, in Gas or Electric Melting Furnaces. Rods are used for stirring the molten metal in order to get a good homogeneous mix of the alloys in Gold and Silver.