Lincoln K and KP Numbers › Lincoln Electric K4531-4 MAGNUM PRO CURVE HDE 250 25 FT Lincoln Electric K4531-4 MAGNUM PRO CURVE HDE 250 25 FT Sale Price: $799.36 Original Price: $895.28 MAGNUM PRO CURVE HDE 250 25 FT PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! MAGNUM PRO CURVE HDE 250 25 FT PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000