Lincoln Service Parts 2 › Lincoln Electric 9SS31673 SWITCH BACKING PLATE [2] S31673 Lincoln Electric 9SS31673 SWITCH BACKING PLATE [2] S31673 Sale Price: $2.75 Original Price: $3.16 SWITCH BACKING PLATE [2] PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 2 Add To Cart Added! SWITCH BACKING PLATE [2] PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 2