Dexter 10" Electric Trailer Brake Assemblies for utility trailers, travel trailers, horse trailer, motorcycle trailers, and more. Comes with mounting bolts, nuts, and lock washers. Please note: This products mounting bolts are only designed to work with 3,500 lbs. axles. They will not mount to any other capacity of axle. Genuine Dexter brakes, USA made & operated. Magnets tested 100% for pull force and conductivity.