Lincoln K and KP Numbers › Lincoln Electric K4521-2-FM-45 MAGNUM� PRO 400WC FAST MATE Lincoln Electric K4521-2-FM-45 MAGNUM� PRO 400WC FAST MATE Sale Price: $1,809.21 Original Price: $2,026.32 MAGNUM� PRO 400WC FAST MATE PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! MAGNUM� PRO 400WC FAST MATE PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000