Lincoln Service Parts 1 › Lincoln Electric 9SM12704 SUPPORT WHEEL ARM M12704 Lincoln Electric 9SM12704 SUPPORT WHEEL ARM M12704 Sale Price: $161.03 Original Price: $185.19 SUPPORT WHEEL ARM PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! SUPPORT WHEEL ARM PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1