Lincoln K and KP Numbers › Lincoln Electric KP4723-040 TUNGSTEN - WX MULTI OXIDE, 040" Lincoln Electric KP4723-040 TUNGSTEN - WX MULTI OXIDE, 040" Sale Price: $24.02 Original Price: $26.90 TUNGSTEN - WX MULTI OXIDE, 040" PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 10.000 Add To Cart Added! TUNGSTEN - WX MULTI OXIDE, 040" PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 10.000