Lincoln Service Parts 2 › Lincoln Electric 9ST10642-278 FLEX TUBE T10642-278 Lincoln Electric 9ST10642-278 FLEX TUBE T10642-278 Sale Price: $29.93 Original Price: $34.42 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