VEVOR High Purity Graphite Crucible, 3 kg Graphite Furnace, Double Ring Graphite Crucible for Melting Metal Gold Silver Copper Aluminum, Smelting Furnace Metal Graphite Jewelry Casting Tools

VEVOR High Purity Graphite Crucible, 3 kg Graphite Furnace, Double Ring Graphite Crucible for Melting Metal Gold Silver Copper Aluminum, Smelting Furnace Metal Graphite Jewelry Casting Tools99.9% Pure GraphiteRapid HeatingGreat ThermostabilityEasy to UseStable PerformanceVersatile UsageGross Weight: 1.36 kg (3 lbs),Inner Diameter: 50 mm (1.97 inch),Bottom Diameter: 60 mm (2.36 inch),Material: Graphite,Maximum Operating Temperature: 1300℃,Height: 170 mm (6.69 inch),Top Diameter: 75 mm (2.95 inch),Package Size: 9.5 x 9.5 x 19 cm (3.74 x 3.74 x 7.48 inch),Product Size: 75 x 170 mm (2.95 x 6.69 inch)