Lincoln K and KP Numbers › Lincoln Electric K3093-3 MAGNUM PRO CURVE 400 DUAL SCHEDULE, 20' Lincoln Electric K3093-3 MAGNUM PRO CURVE 400 DUAL SCHEDULE, 20' Sale Price: $875.96 Original Price: $981.08 MAGNUM PRO CURVE 400 DUAL SCHEDULE, 20' PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! MAGNUM PRO CURVE 400 DUAL SCHEDULE, 20' PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000