Lincoln K and KP Numbers › Lincoln Electric K2952-4 MAGNUM PRO CURVE 400, 25' Lincoln Electric K2952-4 MAGNUM PRO CURVE 400, 25' Sale Price: $835.42 Original Price: $935.67 MAGNUM PRO CURVE 400, 25' PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! MAGNUM PRO CURVE 400, 25' PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000