Lincoln Service Parts 2 › Lincoln Electric 9ST10642-512 FLEX TUBE T10642-512 Lincoln Electric 9ST10642-512 FLEX TUBE T10642-512 Sale Price: $3.97 Original Price: $4.57 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