#1-2Kg Clay Graphite Crucibles Premium Black Foundry Cup Furnace Torch Melting Casting Refining for Gold. Also Great for Silver, Copper, Brass, Aluminum - size: Number 1
#4-8Kg Clay Graphite Crucibles Premium Black Foundry Cup Furnace Torch Melting Casting Refining for Gold. Also Great for Silver, Copper, Brass, Aluminum - size: Number 4