Husky 30793 Trailer Brake Assembly 10 Inch . Replaces axle Tek/ Alko/ Dexter/ Fayette and Hayes with 10 inch diameter by 2-1/4 inch. 3 inch hole diameter by 4-holes by 4 inch bolt center flange patterns. Electric brakes compatible with 2300 to 3500 pound axles. Left sold as a single unit.