Lincoln K and KP Numbers › Lincoln Electric KP3617-1-50R-B25 350A NARROW GAP NOZZLE, .500 ID, RECESS Lincoln Electric KP3617-1-50R-B25 350A NARROW GAP NOZZLE, .500 ID, RECESS Sale Price: $706.70 Original Price: $791.50 350A NARROW GAP NOZZLE, .500 ID, RECESS PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 25.000 Add To Cart Added! 350A NARROW GAP NOZZLE, .500 ID, RECESS PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 25.000