["Features:\nThe crucible has good thermal stability, suitable for emergency heat or cold usage condition.\nGood corrosion resistance and impact resistance.\nExcellent acids resistance and alkalis resistance.\nThe crucible has good thermal conductivity properties,it can greatly shorten the melting for time and saved energy.\nThe ashes of crucible is less than 0.1%,to ensure that the precious metal in the smelting is not contaminated.\nIt can melt gold, silver, platinum and other precious metals and other alloys,with long service life.\nyou can select the size you need, and the size you can find on the listing photo\nfor gold and silver melting after the formation of gold and silver pieces\ncan also be used as crucible melting into non-ferrous metals, test analysis, as the ingot mold and other purposes\n\nSpecification:\nMaterial: \nType:(optional)\n30g# 40g# 50g# 100g# 200g# 300g# 500g#\nSize:\n30g Gold# \nOutside 24×16×14 mm/1×0.6×0.6inch\nInside 18×10×10mm/0.7×0.4×0.4inch\n40g Gold# \nOutside 25×24×12 mm/1×1×0.57inch\nInside 20×18×7mm/0.8×0.7×0.3inch\n50g Gold# \nOutside 30×24×12 mm/1.2×1×0.57inch\nInside 24×18×8mm/1×0.7×0.3inch\n100g Gold# \nOutside 55×37×20 mm/2.2×1.5×0.8inch\n Inside 45×14×10mm/1.87×0.6×0.4inch\n200g Gold# \nOutside 60×50×20mm/2.4×2×0.8inch\nInside 45×35×10mm/1.87×1.4×0.8inch\n300g Gold# \nOutside 70×57×20 mm/2.8×2.2×0.8inch\nInside 50×37×10mm/2×1.5×0.8inch\n500g Gold# \nOutside 70×67×26 mm/2.8×2.6×1inch\nInside 50×47×16mm/2×1.9×0.63inch\nQuantity: 1 PC\n\nNote:\nSize for manual measurement, there may be a 0 to 2 for cm error, belongs to the normal phenomenon.\nAnd due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\n\nPackage Contents:\n1 PC x Melting Crucible"]