Lincoln K and KP Numbers › Lincoln Electric K3092-4 MAGNUM PRO CURVE 300 DUAL SCHEDULE, 25' Lincoln Electric K3092-4 MAGNUM PRO CURVE 300 DUAL SCHEDULE, 25' Sale Price: $858.82 Original Price: $961.88 MAGNUM PRO CURVE 300 DUAL SCHEDULE, 25' PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! MAGNUM PRO CURVE 300 DUAL SCHEDULE, 25' PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000