Our 500mm Australian trailer brake coupling is designed to provide maximum safety and convenience for all your towing needs. It has a handbrake, suitable for 50mm ball head, safe and reliable, can support 3.5t tensile force.Made from premium quality materials, it is built to withstand heavy loads and harsh weather conditions. Its reliable braking system ensures smooth and efficient stops, while its easy maneuverability allows for smooth turns and parking. This trailer brake coupling is compatible with most trailer models and can be easily installed with minimal effort. With this product, you can tow your cargo with confidence, knowing that you have a reliable and durable brake system in place. Say goodbye to unsafe and shaky towing, and hello to smooth and hassle-free transportation with our heavy duty trailer brake coupling!