Lincoln K and KP Numbers › Lincoln Electric K4522-1-10-45 MAGNUM� PRO 500WC, 10FT. Lincoln Electric K4522-1-10-45 MAGNUM� PRO 500WC, 10FT. Sale Price: $1,770.38 Original Price: $1,982.82 MAGNUM� PRO 500WC, 10FT. PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! MAGNUM� PRO 500WC, 10FT. PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000