GONGYI #12 (25lbs-11.5kg) Clay Graphite Crucible for Metal Melting Casting Refining Gold Silver Copper Brass Aluminum

Need some 11"dia 9" height. Do you have anything that large?

12 vs 12s whats the difference?

It says in one place to heat to 500°f for 5 minutes before melting, and another place 500°c (932°f) for 10 minutes. which is it?

how many OZ is the 6KG crucible?