Electronic torque tester PRG-E. The special construction makes it the prefered wrench for mass producers. Controlling of min- and maximum torque values with LED´s.Internal memory for 1,000 values and RS 232 interface for Printer or PC. Indication scale: 1 Nm, Accuracy: + - 1%, Dimensions: 120 x 80 x 182 mm Model: PRG-E2 Output Drive: 3/4 '' Working range: 50 - 500 Nm Weight: 3200 g