OTC 3631 Heavy Duty Logic Probe Tester Drive_1/2" Can be used on trim

Can be used on trim fasteners and moldings inside

Contains sizes ST-1 through ST-5

Body Material: HP325

Max Reverse Torque 450 ft

then attach a 1/2" square drive ratchet or breaker bar and turn

OTC 3631 Heavy Duty Logic Probe Tester Drive_1/2" Can be used on trimMulti functional design allows testing range of 326 volts. Bright red and green LEDs interpret voltage signals such as ground, power, and frequency. Tests fuel injectors, solenoids, presence of serial data, and tach reference signals. Output tests on MAF, Cam, Crank, Hall Effect VRS sensors and more. High impedance input compatible with computer circuits and sensors. Features and Benefits: Air bag safe 12', heavy duty, twin clip, red coil cord lead