Lincoln Service Parts 1 › Lincoln Electric 9SM26593 CIRCUIT PROTECTION SHIELD M26593 Lincoln Electric 9SM26593 CIRCUIT PROTECTION SHIELD M26593 Sale Price: $1.10 Original Price: $1.27 CIRCUIT PROTECTION SHIELD PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! CIRCUIT PROTECTION SHIELD PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1