Lincoln Service Parts 2 › Lincoln Electric 9ST10642-432 FLEX TUBE - 3.5" T10642-432 Lincoln Electric 9ST10642-432 FLEX TUBE - 3.5" T10642-432 Sale Price: $40.63 Original Price: $46.72 FLEX TUBE - 3.5" PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! FLEX TUBE - 3.5" PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1