12" x 2" Trailer Electric Brake Assembly that works with 5,200 lbs, 6,000 lbs, and 7,000 lbs. Al-Ko, Dexter, Lippert, Rockwell and Quality Trailer Axles. These brakes are rated for 5,200 lbs, 6,000 lbs, and 7,000 lbs and have a 5-bolt mounting flange bolt pattern. Manual adjustment is required and adjuster plugs are included. This product is compatible with most manufacturers and comes with a limited 1-year warranty. Includes 2 right + 2 Lefts Brakes.