Pack of 10 - FBI Style Black Twist On Replacement Acoustic Tube for Two-Way Radio Headsets by MaximalPower Universal Black-Colored Replacement Coiled Audio Ear Tube for Two-Way Radios Includes Mushroom-shaped Ear Tip, Tube and Twist-on Connector High Quality Maximal Power brand. Universal fitting for 2-way radio headsets Works in the following devices: KENWOOD, MOTOROLA AND OTHER 2-WAY RADIO HEADSETS