This style #4 graphite crucible measures 4-9/16″ Diameter x 5-3/4″ High and has a 18K Gold capacity 5120 dwt / 7960 gram. These are top-quality crucibles; resistant to high heat and thermal shock. Consist of natural flake graphite and silicon carbide bonded with fire clay. Include spouts for easy pouring. Dimensions and capacities may vary slightly from those listed. Made in the USA.