Micro-Adjustable Torque wrench Series. The robust and resistant fully chromed steel tube. An audible and palpable signal indicates automatically when the desire torque value is achieved. Fine engraving marking scales on the front and back. Very precise adjustment by visible micrometer laser scales on handle ensure optimal and simplified readings while operation.The micrometer scales for precision adjustment is in integral values, for user easily take round figure while operation. Easy torque adjustment by press down the Lock-ring, brings energy saving and automatically lock device to avoid accidentally altering setting. Accuracy of torque +/- 4%. Micro-Adjustable Torque wrench Series