Lincoln Service Parts 2 › Lincoln Electric 9ST10642-390 FLEX TUBE T10642-390 Lincoln Electric 9ST10642-390 FLEX TUBE T10642-390 Sale Price: $34.94 Original Price: $40.18 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