Lincoln K and KP Numbers › Lincoln Electric K4880-4-10-564 MAGNUM� PRO 500WC BARREL DP, 25 FT. Lincoln Electric K4880-4-10-564 MAGNUM� PRO 500WC BARREL DP, 25 FT. Sale Price: $3,866.38 Original Price: $4,330.35 MAGNUM� PRO 500WC BARREL DP, 25 FT. PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! MAGNUM� PRO 500WC BARREL DP, 25 FT. PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000