Lincoln K and KP Numbers › Lincoln Electric K4534-4 MAGNUM PRO CURVE HDE 550 25 FT Lincoln Electric K4534-4 MAGNUM PRO CURVE HDE 550 25 FT Sale Price: $1,184.41 Original Price: $1,326.54 MAGNUM PRO CURVE HDE 550 25 FT PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! MAGNUM PRO CURVE HDE 550 25 FT PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000