OTOOLWORLD 20KG Clay Graphite Crucible Foundry Cup Furnace Torch Melting Casting Refining Gold Silver Copper Brass Aluminium Lead Zinc and Alloys

OTOOLWORLD 20KG Clay Graphite Crucible Foundry Cup Furnace Torch Melting Casting Refining Gold Silver Copper Brass Aluminum Lead Zinc and Alloys 2400ML

Borax Flux 1/2 Pound Melting Gold Silver Crucible Glaze Jewelry Casting 8oz

26" ProCast Foundry Crucible Flask Tongs for Graphite Refinery Crucibles For Melting Casting Refining Gold Silver Copper