Lincoln Service Parts 1 › Lincoln Electric 9SL16972-2 HI FREQ PC BOARD L16972-2 Lincoln Electric 9SL16972-2 HI FREQ PC BOARD L16972-2 Sale Price: $139.17 Original Price: $160.04 HI FREQ PC BOARD PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! HI FREQ PC BOARD PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1