Lincoln K and KP Numbers › Lincoln Electric K3092-1 MAGNUM PRO CURVE 300 DUAL SCHEDULE, 10' Lincoln Electric K3092-1 MAGNUM PRO CURVE 300 DUAL SCHEDULE, 10' Sale Price: $650.79 Original Price: $728.88 MAGNUM PRO CURVE 300 DUAL SCHEDULE, 10' PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! MAGNUM PRO CURVE 300 DUAL SCHEDULE, 10' PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000