Lincoln Service Parts 2 › Lincoln Electric 9SS29420-20 AMMETER S29420-20 Lincoln Electric 9SS29420-20 AMMETER S29420-20 Sale Price: $74.97 Original Price: $86.22 AMMETER PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! AMMETER PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1