Trailer Part, Steel Wheels manufacturer / supplier in China, offering Dexter Pre-Greased Easy Assemble 5 on 5" Hub and Drum Electric Brake Kit for 3,500 lbs. Trailer Axle, 3,500 lb Dexter 5 Bolt on 5" Electric Brake Drum Kit, Trailer Brake Hub Drum 6 Lug on 5.5 Bolt Pattern Fits 5,200 - 6,000lb Trailer Axles and so on.