Lincoln K and KP Numbers › Lincoln Electric K4522-4-10-45 MAGNUM� PRO 500WC, 25FT. Lincoln Electric K4522-4-10-45 MAGNUM� PRO 500WC, 25FT. Sale Price: $2,180.53 Original Price: $2,442.19 MAGNUM� PRO 500WC, 25FT. PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! MAGNUM� PRO 500WC, 25FT. PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000