If you are looking for a professional and affordable bike trailer coupler, then your research is over here. Thats because our product can meet your need. Adopted of premium material, it is practical and durable for long time use. Great for connecting the parents bike with kids' trailers. It provides excellent stability and is compatible with a majority of bikes on the market. Features - Color: Black. - Material: Steel. - Size: About 7.00X3.50X2.50cm/ 2.75X1.38X0.98inch. - Manufactured with quality and safe steel material, it is strong and durable. - The bike trailer coupler is easy to install, won't take you too much time. - Perfect for pulling the trailer, riding your kids and pets around and towing the goods. - If you want get some outdoor fun with your kids or pets, this product can be the good choice. - The package contains 2 sets bike trailer hitch mount adapters, suitable for many kinds of bike trailers.