Lincoln Service Parts 2 › Lincoln Electric 9ST10642-645 FLEX TUBES T10642-645 Lincoln Electric 9ST10642-645 FLEX TUBES T10642-645 Sale Price: $17.13 Original Price: $19.70 FLEX TUBES PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! FLEX TUBES PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1