Features: 1. Silica Crucible: Choose the fused silica as the main raw material, adopt modern ceramic processing technology, mainly used in dental alloys, platinum, gold, silver, copper, brass and other high temperature melting alloys. Resistance to high temperature up to 2800 degrees, high purity, corrosion resistant, high strength, high heat resistant, high shock resistance. 2. For percussion welding and metal test, Borax is a good flux. 3. Borax is widely used in glass,ceramics,medicine,fertilizer, textile industry. 4. Graphite Rod: Used to stir precious metal and metal scrap while melting. When melting the gold and silver, this rod can help you get a uniform mixing. 5. Crucible Tong: Anti-slip design, gripping the crucible firmly, not easy to slip. Specification: Condition: 100% Brand New Item Type: Melting Tool Kit Material: Graphite Color: As Shown in the Picture Weight: Approx. 233g Silica Crucible: Outside Diameter: 60mm / 2.36inch Height: 20mm / 0.79inch Graphite Rod: Diameter: 6mm / 0.24inch Length: 150mm / 5.91inch Crucible Tong: Length: 25cm / 9.84inch Color: Sliver Package List: 1 * Silica Crucible 1 * Graphite Rod 1 * Graphite Ingot Mold 1 Bag of 30g Borax 1 * Crucible Tong Note: Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering. Please notice that the item color displayed in the pictures may be slightly different from the real object due to different monitors or other factors.