McKay Model 9MR Ear Hook - an on-the-ear design which has replaceable foam covers and can be worn on either the left or right ear. It is available with 3.5 mm MONO and 2.5 mm MONO connectors.

NB: You MUST choose a Connector from the "Available Options" list.

If you are not sure what connector fits your radio, check the Radio Connector Parts List to find your radio and identify your  correct connector.