Lincoln K and KP Numbers › Lincoln Electric KP21-50-F NOZZLE, GAS, FIXED, .50 ID, MAGNUM 100L Lincoln Electric KP21-50-F NOZZLE, GAS, FIXED, .50 ID, MAGNUM 100L Sale Price: $19.50 Original Price: $21.84 NOZZLE, GAS, FIXED, .50 ID, MAGNUM 100L PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! NOZZLE, GAS, FIXED, .50 ID, MAGNUM 100L PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000