N f for 1/2″ superflex
N m for 3/8” superflex
N f for 1/2″ foam
N m for 1/4” superflex
N m for 1-5/8″ air
N f for RG 8-9-115-213-214
N f for RG 179-187-75
N f for RG 174-188-316
N f for RG 58-141-142-223-303
N m for 3/8″ foam