Lincoln K and KP Numbers › Lincoln Electric KP4985-3 NOZZLE EXTENSION 3 IN FOR HD K231 Lincoln Electric KP4985-3 NOZZLE EXTENSION 3 IN FOR HD K231 Sale Price: $95.37 Original Price: $106.81 NOZZLE EXTENSION 3 IN FOR HD K231 PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! NOZZLE EXTENSION 3 IN FOR HD K231 PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000