6L air inflator tank, blasts air into the gap between tyre & rim forcing the bead to seat against the rim. For best results use in conjunction with a tyre inflator via the tyre valve. Working pressure: 60 - 116psi (4 – 8 bar). Maximum pressure: 145psi (10 bar). Features: Automatic safety valve, trigger for air release, easy to read pressure gauge & supplied with a 1/4" BSP male standard airline adaptor. CE certified.