1、Application Details: Trailer tongue coupler fit for 60mm/2.36in wide square tube, suitable for caravan and RV, practical for use. 2、Safe Performance: The trailer tongue coupler accepts safety pins or coupler locks for added security, it is a great caravan trailer coupler. 3、Anti Rust Coating: Thick durable die cut steel is coated with anti rust coating, exquisite workmanship provide you with an excellent using effect. 4、High Load Bearing: High strength steel material to withstand 3500lbs load capacity, reliable and stable, professional manufactured. 5、Simple Operation: Easy lock latching system for simple operation, saving your time and energy, giving you a convenient use experience.