Pack of 2 FBI Style Black Twist On Replacement Acoustic Tube for Two-Way Radio Headsets by MaximalPower Kenwood / Motorola and other Two-way Radio Headsets Black Twist On Replacement Acoustic Tube 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 devices: KENWOOD, MOTOROLA AND OTHER 2-WAY RADIO HEADSETS