SIZE NO . = Melting Capacity of copper in kilo The CRUCIBLE is suitable for melting such metals as copper, gold ,silver, zinc, aluminium , lead .etc SIZE NO . also represents capacity of molten copper in kilo Packing : In wooden case for export , Barrel , or Carton 3. ADVANTAGE : Efficient ,Energy-saving ,Environmental protection . Durable Size NoHIGHT OUTSIDE mmTop Diameter OutsidemmBottom DiameterOutside mm211495666176137888188159108102011671131221417511816232188127182461951322026020113725285214146302952221533530523015940315242165503142531786035628219080387306210100400330232120444340238150461370259200501408279250557430285300583454292400661526318500713531318