Trailer | Air-Weigh: We provide on-board Trailer scales
CURT BetterWeigh Mobile Towing Scale with TowSense Technology (OBD-II) 51701 - The Home Depot
Measuring trailer tongue weight with a bathroom scale
Weigh Safe Steel Adjustable Trailer Hitch Ball Mount - 6" Adjustable Drop Hitch for 2.5" Receiver - Premium Heavy Duty Aluminum Trailer Tow Hitch with Built in Weight Scale for Anti Sway -