Lincoln K and KP Numbers › Lincoln Electric K2951-4 MAGNUM PRO CURVE 300, 25' Lincoln Electric K2951-4 MAGNUM PRO CURVE 300, 25' Sale Price: $753.24 Original Price: $843.63 MAGNUM PRO CURVE 300, 25' PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! MAGNUM PRO CURVE 300, 25' PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000