Lincoln K and KP Numbers › Lincoln Electric KP5166-45 NOZZLE EXTENSION, 45 DEGREE, HD Lincoln Electric KP5166-45 NOZZLE EXTENSION, 45 DEGREE, HD Sale Price: $147.58 Original Price: $165.29 NOZZLE EXTENSION, 45 DEGREE, HD PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! NOZZLE EXTENSION, 45 DEGREE, HD PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000