Lincoln K and KP Numbers › Lincoln Electric K3134-4 MAGNUM PRO 450 DUAL SCHEDULE, 25' Lincoln Electric K3134-4 MAGNUM PRO 450 DUAL SCHEDULE, 25' Sale Price: $1,068.40 Original Price: $1,196.61 MAGNUM PRO 450 DUAL SCHEDULE, 25' PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! MAGNUM PRO 450 DUAL SCHEDULE, 25' PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000