Rosenthal Collection 15" Double Ended Bent Spring Steel Flask Tongs for Crucible Holding Gold Silver Precious Metal Casting Hand Tools 15" Long Flask Crucible Tongs for Handling Graphite and Ceramic Crucibles Constructed from heavy-duty, bent spring steel Crucible Tongs Hold up to 4" Dia. Crucibles Great for handling hot metals and Melting, Pouring, Casting, Refining Precious Metals!