Checkline DTW [DTW-100f] Electronic Torque Wrench, 100 lb-ft / 135 Nm, 1/2" Drive. The new Check-Line DTW Electronic Torque Wrenches are designed for simple and precise measurement of industrial, automotive, aerospace and many other applications. The DTW displays Real-Time and Peak torque on a large LCD display in ft-lb, in-lb or N-m, user selectable. The DTW features a target set point that indicates a desired torque value with a bright LED and audible beep.