Lincoln K and KP Numbers › Lincoln Electric K3055-3 MAGNUM PRO CURVE 400, 20' (SHORT NECK) Lincoln Electric K3055-3 MAGNUM PRO CURVE 400, 20' (SHORT NECK) Sale Price: $761.12 Original Price: $852.45 MAGNUM PRO CURVE 400, 20' (SHORT NECK) PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! MAGNUM PRO CURVE 400, 20' (SHORT NECK) PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000