Description: Reliable material: Bike trailer coupler is made of steel, with firm structure, not easy to wear, and can be used for a long time. Good compatibility: The trailer coupler hitch is used for the replacement coupler of children's stroller and most bicycles. Replacement parts: Bike trailer coupler can help you replace damaged bicycle trailer parts and accessories. Easy to use:The boom welded of bike trainer coupler has an angle of about 45 degrees, is very practical. Portable: bike trailer coupler uses compact design, very easy to store, will not take up too much of your time. Specification: Material: Steel. Size: Approx. 18.3x12x7.3 cm/7.20x4.72x2.87 inch. Note: There might be a bit color distortions due to different computer resolutions. There might be a slight errors due to different hand measurement. Package Includes: 2 Pieces Bike Trailers Couplers.