Schrader EZ-Sensor and tool bundle offers functionality and flexibility at an affordable price. The S41(21298) tools simple and easy-to-use interface guides the user when replacing and servicing TPMS sensors and with the addition of the OBD Quick Connector, users can reset the ECU in less than 2 minutes. Bundle includes the S41 tool, ODB Quick Connector and (24) 33500 EZ-Sensors.