Garmin&';s standard 1" OD pipe-threaded pole mount lets you mount your compatible device and route a NMEA 2000 audio cable through the pole.Compatible With:(li>GA 38GPS 17x HVS GPS 19x HVS GPS 19x NMEA 2000 GXM 52WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; } Truck Freight: No Oversized: No