Features:*High-quality material: This product is made of high-quality material, which is wear-resistant and durable, and can be used for a long time.*Exquisite workmanship: This tool is exquisitely made with excellent materials, which can give you a good experience of using it.*Great Accessories: If the space is too small to fit the coupler, this adapter can help extend the distance to create more space.*Increased Safety: This adapter helps to extend the distance between the tow bar and bike tires. That way the trailer hitchs doesn39;t hit the tire when the bike is rotated to a stop.*Practical: With this adapter, the back of the bike rack will not be obscured.Notice:1.Actual color may be slightly different from the image due to different light effect2.Please allow 1-3cm deviation due to manual measurement Material: Stainless steelSize: As ShownPackage List:1 set x Attachment Screw