Lincoln K and KP Numbers › Lincoln Electric K5297-4 MAGNUM PRO CURVE HDE 350- DP, 25 FT Lincoln Electric K5297-4 MAGNUM PRO CURVE HDE 350- DP, 25 FT Sale Price: $968.00 Original Price: $1,084.16 MAGNUM PRO CURVE HDE 350- DP, 25 FT PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! MAGNUM PRO CURVE HDE 350- DP, 25 FT PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000