This Husky Towing left Trailer Brake Assembly fits to 3, 500 pounds axles. Husky Electric Trailer Brake Assemblies allow you to replace worn out trailer brakes as one complete unit, making installation a breeze. Brake pads are made of durable friction material for improved braking and longevity, and the E-coated backing plates resist rust. Self-adjusting brakes do not require periodic manual adjustment like standard brakes.• Diameter: 10 Inch• Width: 2-1/4 Inch• Brake System: Electric• Brake Type: Drum• Axle Weight Capacity: 3500 Pound• Position: Left• Includes Backing Plate: Yes• Includes Brake Shoes: Yes• Includes Magnets: Yes• Includes Actuating Lever: Yes• Includes Adjusting Screw: Yes• Includes Spring Hardware: Yes Constructed with durable, quality materials, & is rigorously tested to industry safety standards Easy to install Limited 1 Year Warranty | Husky Towing Self-Adjusting Electric Trailer Brake Assembly - 10x2.25" - 3,500lb - Left Hand