Lincoln Service Parts 2 › Lincoln Electric 9ST10542-1 EXPANSION PLUG T10542-1 Lincoln Electric 9ST10542-1 EXPANSION PLUG T10542-1 Sale Price: $5.88 Original Price: $6.76 EXPANSION PLUG PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! EXPANSION PLUG PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1