Trailer & RV Connectors: RV Connectors: 9-Pole RV Connectors: 6-24 Volt Systems Plastic construction eliminates rusting and difficulty in plug removal and also improves appearance Dual grips allow for easier plug removal Vinyl Inserts helps keep out dirt and moisture Safety Latch prevents damage from accidental pull-away Mounts through hole approximately 2\" in diameter Sockets feature 4 Mounting Holes for extra secure installation Non-corroding, shock-resistant interiors with unique terminal re-enforcer dams eliminate short-circuiting by preventing contact from spreading Available in 7?pole & 9?pole Colour-coded to RVI standards.