Easy to Use: Our bike trailer coupler is easy to install without other tools needed; First, fix the bike trailer hitch on your bike with a screw nut; Then insert the trailer accessory; Finally put the pin; The connection is completed, bringing you much convenience. Durable Material: The bike trailer hitch made of steel with black enamel coating, strong and durable, corrosion-resistant, not easy to damage. Stable: Each bike trailer hitch is equipped with a connecting pin, the pins can hardly open, also once you install them, they will not fall off easily. Come with a Snowflake Tool: This multi-instrument snowflake tool can be used to open beer bottles, rotate various screws, repair skis and bicycles, open cartons, etc. and rescues, etc. Application: A bike trailer hitch coupler can connect your trailer to your bike; With the bike trailer hitch, the trailers are easy to attach to your bike while allowing you to carry your little kids safely and comfortably; It is suitable for universal bikes, strollers, etc., they are convenient to carry and you can use them at any time Package Included: 2 Set Bike Trailer Hitch, 1 Pack Snowflake