Tie Down Engineering (70521) Disc Brake Actuator - Model 750 7,500 lbs gross trailer weight rating / 750 lbs tongue weight rating Equipped with a cast steel latch - lays flatter for improved looks Grease fittings on roller pin for longer life & smoother operation / Coiled E-Stop cable - PVC coated Wide mouth filler cap for easy fill / Large capacity aluminum master cylinder requires less refilling Read product description below for more detailed information