Lincoln Service Parts 2 › Lincoln Electric 9ST10642-663 FLEX TUBE T10642-663 Lincoln Electric 9ST10642-663 FLEX TUBE T10642-663 Sale Price: $1.01 Original Price: $1.16 FLEX TUBE PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! FLEX TUBE PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1