Description: Main material: Graphite 99.99% High for purity melting graphite crucible for high temperature gold, silver and metal casting. Well corrosion resistance, impact resistance performance, to ensure the reliability of product quality. Time-saving, good heat transfer performance of graphite crucible: for greatly shorten the melting time and save energy. Melt your precious, or non-precious metals and can handle large batches of material. Wide Application: Melting and casting metals such as Gold, Silver, Brass, Aluminum, Copper, Zinc, Plumbum, etc. Specification: Material: Graphite Color: White, Black Size: Inner Diameter * Height 1kg Black: 35 x 88mm/1.37 x 3.46in 2kg Black: 44 x 110mm/1.73 x 4.33in 2.5kg Black: 44 x 126mm/1.73 x 4.96in 3kg B Black: 60 x 105mm/2.36 x 4.13in 1kg White: 49 x 87mm/1.92 x 3.42in 2kg White: 60 x 110mm/2.36 x 4.33in 2.5kg White: 60 x 127.5mm/2.36 x 5.01in 3kg A White: 100 x 173mm/3.93 x 6.81in 3kg B White: 78 x 103mm/3.07 x 4.05in 4kg A White: 79 x 130mm/3.11 x 5.1in Package Includes: 1 Piece Graphite Crucible Note: Due to the light and screen difference, the item's color may be slightly different from the pictures. Please allow 1-3mm differences due to manual measurement.