Lincoln K and KP Numbers › Lincoln Electric KP4985-9 NOZZLE EXTENSION 9 IN FOR HD K231 Lincoln Electric KP4985-9 NOZZLE EXTENSION 9 IN FOR HD K231 Sale Price: $229.55 Original Price: $257.10 NOZZLE EXTENSION 9 IN FOR HD K231 PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! NOZZLE EXTENSION 9 IN FOR HD K231 PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000