Lincoln K and KP Numbers › Lincoln Electric K3130-1 MAGNUM PRO CURVE 300 DUAL PROCEDURE, 10' Lincoln Electric K3130-1 MAGNUM PRO CURVE 300 DUAL PROCEDURE, 10' Sale Price: $764.26 Original Price: $855.97 MAGNUM PRO CURVE 300 DUAL PROCEDURE, 10' PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! MAGNUM PRO CURVE 300 DUAL PROCEDURE, 10' PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000