Today we're going to be taking a look at part number RC1. This is the deadbolt adjustable trailer cover latch lock. The diameter of the pins are going to measure 9/32 of an inch. Now this coupler lock is going secure the latch on your trailer's coupler. That's going help deter and prevent theft. What that means is that the trailer cannot be removed from your inaudible 00:00:17 vehicle when the… see more >