https://www.mikrometry.com/products/ettc-professinal-digital-torque-indicator.html Mikrometry square up digital torque indicator ETTC is designed to work with a wide range of our torque sensors. With excelusive plug & test technology, all calibration and configuration data is saved within the sensor's smart connector, not the indicator, allowing for tru interchangeability. In addition, all sensors are fully compatible with our other indicators.