Lincoln K and KP Numbers › Lincoln Electric K4857-2-FM-45 MAGNUM PRO BARREL HDE 350- FM, 15 FT Lincoln Electric K4857-2-FM-45 MAGNUM PRO BARREL HDE 350- FM, 15 FT Sale Price: $836.39 Original Price: $936.76 MAGNUM PRO BARREL HDE 350- FM, 15 FT PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! MAGNUM PRO BARREL HDE 350- FM, 15 FT PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000