Suitable Model: The electrical scooter vacuum valve is appropriate for scooter. Product Length: The electrical scooter vacuum valve is set 2cm in length for handy to use. Applicable to Hole Diameter: The electrical scooter vacuum valve is relevant to gap diameter of about ≤9mm. Suitable : The electrical scooter valve is acceptable for scooter and M365 Pro, etc. Name: Vacuum Valve for Scooter Colour: Black Material: Rubber + Metal Package Contents: 10 x Vacuum Valve 10 x Cap Only the above kit content, other merchandise shouldn't included. Note: Light and diverse exhibits may cause the colour of the thing in the photograph a little bit varied from the genuine thing. The size allowed error is +/- 1-3cm.