Presentation packaging, anodized aluminum, adapter from DV / SV valve to AV valve, mini-tool for screwing in and out for SV / AV valves, with O-ring as seal and anti-loss protection, practical keychain Small and helpfulWho doesn't know the situation: you want to pump up your bike tires at the gas station, but the valve doesn't fit.With the practical BY,SCHULZ "Mini-Tool" valve adapter, which fits neatly on your keychain, you can quickly pump up your bike at the gas station.The small adapters made of anodized aluminum fit both Dunlop and Presta valves. The two tool functions of the BY,SCHULZ "Mini-Tool" are also handy. If a valve is not seated properly, it can be tightened or replaced. The valve adapters are available in various colors. Main color blue Valve type Schrader (AV) , Presta (SV) Type/kind Accessories