Lincoln Service Parts 1 › Lincoln Electric 9SM9027-1 GUN CONTROL BOX M9027-1 Lincoln Electric 9SM9027-1 GUN CONTROL BOX M9027-1 Sale Price: $58.29 Original Price: $67.03 GUN CONTROL BOX PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! GUN CONTROL BOX PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1