aluminum trailer hitch ball mount Adjustable Aluminum Trailer Reversible Ball Mount with forged Hitch Balls Trailer Ball Mount is made of aluminum with different finishing. Raw material: aluminum. (We can also customize according to Customer's Requirment.) Machining: 1. Automatic Steel Pipe Cutter Machine; 2. Vertical Drilling Machine; 3. Automatic Sawing Machine; 4. Stamping Machine; 5. High Power Welding Machine; 6. Hook Type Shot Blasting Machine; Product Picture: Application: