Lincoln Service Parts 2 › Lincoln Electric 9ST10642-429 FLEX TUBE 3"-3/8 DIA T10642-429 Lincoln Electric 9ST10642-429 FLEX TUBE 3"-3/8 DIA T10642-429 Sale Price: $40.50 Original Price: $46.57 FLEX TUBE 3"-3/8 DIA PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! FLEX TUBE 3"-3/8 DIA PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1