Lincoln Service Parts 1 › Lincoln Electric 9SS10591 CONTROL KNOB S10591 Lincoln Electric 9SS10591 CONTROL KNOB S10591 Sale Price: $19.40 Original Price: $22.31 CONTROL KNOB PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! CONTROL KNOB PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1