OTOOLWORLD Smelting Lab Graphite Crucible with Cover Lab Supply 99.95% Purity Precious Metals Smelting Corrosive substances for Special use (40x40MM)
by Otoolworld
- the size just look at the listing photo, select one you need, Precious metals smelting, Corrosive material analysis, High-strength high-density high-purity 99.95%, Note : there is a little hand measuring error