Lincoln Service Parts 2 › Lincoln Electric 9ST10642-321 FLEX TUBE T10642-321 Lincoln Electric 9ST10642-321 FLEX TUBE T10642-321 Sale Price: $15.51 Original Price: $17.84 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