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