Nitrogen needle fill adaptor which applies nitrogen into shocks utilizing the self-sealing rubber plug/pellets that are used in Polaris RZR's, Arctic Cat snowmobile shocks, FOX, Ohlins, Ford Raptor truck shocks, Fox shocks and many others. These come with durable aluminum based needles. The fitting end connection thread pitch is available in 1/8" or 1/4" (NPT) pipe thread. The adapter comes with two needles. We also have these with a schrader valve already installed for use in a No-Loss chuck.