The9mmchainforvehicleswithtightwheelwells. Usage Recommendedforvehicleswithfront-wheeldrive Idealforcitydriving/pavedroads ProductInformation 9mm: Forvehicleswiththesmallamountofspaceinside Insidelockisfastandeasytouse Manualchaintensioningchainisretensionedmanually Additionalinformation Mountingsupportonline TechnicalDetails Ö NORM(AustrianStandard),TÜ V-certified(GermanAssociationforTechnicalInspection) D-shapedlinksof3.