Commodity2005200620072009
Washers (incl. spring washers) of copper$4$16  
Non-threaded arts. (e.g., rivets, cotters), of copper (excl. of 7415.10 & 7 ...  $438$52
Threaded arts. of copper (excl. of 7415.33) $547  
Total$4$563$438$52