Lincoln K and KP Numbers › Lincoln Electric KP4120-1-50R WC NOZZLE, .500ID, 1/8R Lincoln Electric KP4120-1-50R WC NOZZLE, .500ID, 1/8R Sale Price: $74.09 Original Price: $82.98 WC NOZZLE, .500ID, 1/8R PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! WC NOZZLE, .500ID, 1/8R PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000