Commodity20052006200820092010
Washers (incl. spring washers) of copper   $15$60
Non-threaded arts. (e.g., rivets, cotters), of copper (excl. of 7415.10 & 7 ... $1   
Threaded arts. of copper (excl. of 7415.33)$720 $2,064  
Total$720$1$2,064$15$60