Sealey tpms service pack tool kitvalve deflator tool sealey tstkit this service pack tool kit from sealey features a complete selection of tools for replacing the service pack on snap in and clamp in tpms sensors which is recommended each time a tyre is changed essential tool for making sure the screws valve core and nut are torqued to the manufacturers specifications features a grommet tool used for the removalinstallation from the tpms stem without damaging the grommet supplied with