Suitable Model: The electric scooter vacuum valve is suitable for scooter. Product Length: The electric scooter vacuum valve is about 2cm in length for convenient to use. Applicable to Hole Diameter: The electric scooter vacuum valve is applicable to hole diameter of about less than equal 9mm. Suitable Scooters: The electric scooter valve is suitable for scooter and M365 Pro, etc. Name: Vacuum Valve for Scooter Colour: Black Material: Rubber + Metal Package Contents: 20 x Vacuum Valve 20 x Cap Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.