Tongs - used to clamp the graphite crucible in hyperthermal condition.Six pieces of a set, including crucible dish, tongs, trough, graphite stirring rod, rectangle graphite crucible and cylinder graphite crucible.Using modern ceramic processing technology and fused silica as main raw material, the crucible has nice thermostability, high purity, high strength, corrosion and shock resistance.Stirring rod - used to stir precious metal; helps you get a uniform mixing while melting.Graphite crucible - fine thermostability, thermal conductivity, corrosion resistance and shock resistance.Specifciations:Smelting Bowl:Capacity (Gold): 150g / 5.3OZSize: 58x21mmCrucible Tongs:Length: 220mm / 8.7inchStirring rod:size: 150 * 6mm / 5.9 * 0.24inchRectangle graphite crucible:57 * 42 * 12mm / 2.2 * 1.65 * 0.47inchCylinder graphite crucible:Outer Dia .: 40mmTotal Height: 40mmInner Dia .: 30mmInner Height: 35mmCapacity (Gold): 478g / 16.8OZTrough:Outer size: 55 x 37 x 20mm / 2.2 x 1.5 x 0.8inchInner size: 45 x 25 x 10mm / 1.8 x 1.0 x 0.4inchCapacity (Gold): 150g / 5.3OZPackage size: 250 * 95 * 30mm / 9.84 * 3.74 * 1.18inchcolour:black SilverMaterial:metalPackage Contents:1*set Jewelry Casting ToolsOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.