Today we're going to be taking a look at part number DM12925, this is the Demco channel tongue trailer coupler. The channel tongue coupler is going to let you hook up your trailer to your tow vehicle. It's going to provide a connection point for 2-inch hitch ball. This unit is designed to fit a 3-inch-wide frame or tongue on your trailer. The channel width right here is going to measure just over… see more >