The Trimax TFW80HD 5th Wheel Trailer Kingpin Lock is constructed of ultra-tough hardened steel. It has a red powder-coated finish for both visibility and protection from the elements. The lock encases the kingpin on the pin box which makes coupling impossible. Its the perfect solution for security when leaving a trailer parked for the season. The spring-loaded lock cylinder makes operation very easy, so you never question if its locked or unlocked. Two keys are included.•Provides Security for 5th Wheel Trailer While Not in Use•Hardened Steel Construction â Ultimate Durability•Red Powder-Coated Finish for Protection and Visibility•Installs in Seconds•Spring Loaded Lock Cylinder for Simple and Fast Operation•Lifetime Warranty Includes two keys Installs in seconds Spring-loaded lock cylinder for easy operation | Trimax TFW80HD 5th Wheel Trailer Kingpin Lock in Red