This handy valve core removal and installation tool makes removing and inserting valve cores easy and error-proof. With the valve core tool, avoid TPMS damage due to over tightening, or eliminate leaky valves and false readings due to under tightening. The valve core tools unique Twist-Til-Click precision torque feature automatically adjusts the valve core to the manufacturer's recommended specifications, keeping your TPMS fully operational. Product Features:Avoid TPMS damage, leaky valves and false readingsTwist-Til-Click precision torque feature preset to TPMS manufacturers operationalErgonomic screwdriver style gripA must for vehicles with TPMS