The ICON® 3/8 in. Professional Split Beam Torque Wrench is among the most accurate torque wrenches you can find. The twin-beam design ensures that the calibration spring maintains consistent tension under load. This makes the wrench capable of highly precise torque readings. The tension screw can be left at the desired torque setting without affecting calibration. This high-accuracy torque wrench comes with a factory certificate of calibration and can be recalibrated. Like all ICON® hand tools, this torque wrench is backed by a hassle-free, manufacturer’s lifetime warranty.