Lincoln Service Parts 2 › Lincoln Electric 9ST10642-300 FLEX TUBE T10642-300 Lincoln Electric 9ST10642-300 FLEX TUBE T10642-300 Sale Price: $5.78 Original Price: $6.65 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