Easy to Use: Our bike trailer coupler is easy to install with no other tools needed; Firstly, fix the bicycle trailer hitch on your bicycle with a screw nut; Then insert the trailer accessory; Finally put the pin; The connection is complete, bring you much convenience. Durable material: the bicycle trailer hitch made of steel with black enamel coating, strong and durable, corrosion resistant, not easy to damage. Stable: Each bicycle trailer hitch is equipped with a connecting pin, the pins can hardly open, also once you install them, they will not fall off easily.< /p> 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 bicycle trailer hitch coupler can connect your trailer to your bicycle; With the bike trailer hitch, the trailers are easy to attach to your bike while allowing you to transport your small children safely and comfortably; It is suitable for universal bicycles, strollers, etc., they are convenient to carry, and you can use them at any time