1、Feature: This straight tongue trailer coupler is designed with 50mm hitch ball head, 50mm tail channel width, suitable for 50mm square tube. 2、Practical: The hitch makes it easy to attach your trailer to your vehicle, providing a safe and secure hitching experience to get on and hit the road. 3、Material: The trailer coupler has a capacity of 3,500 lbs, made of forged steel material with high strength, tough, wear proof, impact resistant and durable. 4、Fine Workmanship: Professional manufactured, exquisite workmanship with unique design, ensure stable performance and high reliability. 5、Treatment: To easily outlast rain, snow, dirt, road grime situations, this straight tongue trailer coupler is finished in a durable zinc plating, makes it last longer.