Quantity: 5 pieces EASY TO USE: Our bike trailer hitches are easy to install without additional tools First secure the bike trailer hitch to your bike with a nut then insert the trailer accessories finally put the pins on the connection is completed, giving you much convenience. DURABLE MATERIAL: The bicycle trailer hitch is made of black enameled steel, durable, corrosion resistant and not easy to damage. Stable: Each bicycle trailer hitch comes with fixing pins, the pins are barely opened and once installed, they do not come off easily. Bring your own snowflake tool: This versatile snowflake tool can be used to open beer bottles, turn various screws , repair skis and bikes, open boxes, and more. and rescue, etc. Application: The bicycle trailer hitch can connect the trailer to the bicycle using the bicycle trailer hitch, the trailer is easy to connect to your bicycle, while allowing you to transport your child safely and comfortably suitable for universal bicycles, strollers, etc., easy to carry, ready to use Good quality product