Proven Locks 2178 A - All Steel - Heavy Duty Design - Anti Theft Trailer Coupler Lock ( fits 2" Atwood Yoke Latch Couplers ) Please look at picture for coupler that fits

hello my name is Ron Lee I'm here today with proven industries to go over our product installation of 2178 today we're going to be installing it on an enclosed trailer with a 2 inch coupler we're going to go over two different ways to install it one with securing the safety chains and another without securing the safety chains so let's go over here take a look and we'll really see how easy it is to install here's the culprit lock 2178 it consists of a puck lock and you have your outer shield and then you have your inner slide first we'll start off with installing it without the safety chains want to remove the puck lock like so want to take the inner slide and take it out I'm gonna take it put it underneath the coupler like so put it in the lock position and this is something you want to look out for this part right here you want to grab with your thumb it's the best way to do it grab t