Lincoln K and KP Numbers › Lincoln Electric K2655-3 MAGNUM PRO 550, 20FT Lincoln Electric K2655-3 MAGNUM PRO 550, 20FT Sale Price: $1,326.33 Original Price: $1,485.49 MAGNUM PRO 550, 20FT PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! MAGNUM PRO 550, 20FT PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000