Lincoln K and KP Numbers › Lincoln Electric K4522-1-FM-45 MAGNUM� PRO 500WC FAST MATE, 10 FT. Lincoln Electric K4522-1-FM-45 MAGNUM� PRO 500WC FAST MATE, 10 FT. Sale Price: $1,548.72 Original Price: $1,734.57 MAGNUM� PRO 500WC FAST MATE, 10 FT. PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! MAGNUM� PRO 500WC FAST MATE, 10 FT. PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000