Lincoln K and KP Numbers › Lincoln Electric K3134-3 MAGNUM PRO 450 DUAL SCHEDULE, 20' Lincoln Electric K3134-3 MAGNUM PRO 450 DUAL SCHEDULE, 20' Sale Price: $978.43 Original Price: $1,095.84 MAGNUM PRO 450 DUAL SCHEDULE, 20' PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! MAGNUM PRO 450 DUAL SCHEDULE, 20' PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000