RUTSUBO 2019-03-25 RUTSUBO (Dealer: Jinta) – Japanese heat-resistant biscuit ware crucibles for melting and roasting raw material in the furnace called ‘rutsubo’ as previous type before porcelain-made. approx. D 7cm (2.75in), H 4cm (1.57in) Sold, Thank you. #05146 More items from Jinta