This Husky Towing right Trailer Brake Assembly fits to 8, 000 pounds axles.• Diameter: 12-1/4 Inch• Width: 3-3/8 Inch• Brake System: Electric• Brake Type: Drum• Axle Weight Capacity: 8000 Pound• Position: Right• Includes Backing Plate: Yes• Includes Brake Shoes: Yes• Includes Magnets: Yes• Includes Actuating Lever: Yes• Includes Adjusting Screw: Yes• Includes Spring Hardware: Yes Tapered Edge & Circular Grinding E-Coated Backing Plate Resists Wear & Corrosion Limited 1 Year Warranty | Husky Towing Electric Trailer Brake Assembly Kit - 12.25x3.375" - 8,000lb - Right Hand