0.25 Meter (10 inches) Use between two cable connectors of the same gender. Overcomes the problem of connecting devices or cables which have the same gender of connector on an NMEA 2000 backbone. Use this cable to convert an exposed MALE connector to an exposed FEMALE connector. NMEA 2000 Certified, 100 percent universal and compatible with other manufacturers' products. Black Cable (22AWG/2C and 24AWG/2C) shielded to reduce interference. The cable is terminated with two FEMALE NMEA 2000 connectors made with gold-plated contacts for corrosion resistance. Waterproof Test (IP67): Submersion in water, 1 meter for 24 hours. NMEA 2000 certified Female-Female Gender Changing Cable.0.25 Meter (10 inches) long. 100 percent universal and compatible with all other manufacturers' N2K products