Draw-Tite 5780 Heavy Duty Trailer Tongue Weight Scale - Accurate Hitch Load Measurement for RVs, Boats & Utility Trailers - Perfect for Towing Safety & Payload Management

Works well. Cheaper than what appears to be the identical scale with other brands' applied decal/label also offered on amazon. Expensive, but maybe it's worth it based upon the apparent quality and workmanship.Haven't had a chance to verify readings with another scale of known accuracy.