Lincoln K and KP Numbers › Lincoln Electric K2655-2 MAGNUM PRO 550, 15' Lincoln Electric K2655-2 MAGNUM PRO 550, 15' Sale Price: $1,220.47 Original Price: $1,366.93 MAGNUM PRO 550, 15' PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! MAGNUM PRO 550, 15' PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000