The Panasonic 38/25mm Center Space Encoder comes with a 25 mm inner diameter center space and has unique features such as 360-degree endless rotation angle, 12mN.m rotation torque, and 15 pulses/30 points detents. This Encoder has a mechanical life of thirty thousand cycles. It is suitable for applications such as car audio products (adjustment of volume, tone, tuners) and AV equipment (control of edit functions of VCRs, CD players, etc.)