Weigh Safe WS10-2 - Adjustable Ballmount 10" drop, built-in Gauge MeasuresThe Weigh Safe Drop Hitch is the one and only trailer hitch with a built in scale that signals you to adjust your load before you hit the road, resulting in a much safer and enjoyable towing experience. Before this ball mount, gauging your trailers tongue weight was a hassle. You had to rely on inefficient bathroom scales, make a trip to the weigh station, or purchase a separate tongue weight scale. But with the Weigh Safes built in scale, measuring