Torque limiting screwdriver with large digital screen allowing metric or imperial setting. Counting feature warns when the tool requires a calibration check, this is set at 5000 cycles as per the EN 6789 standards but can be customised on request of ordering. For use in aerospace, defence and other fields where torque accuracy is paramount. Ergonomic metal and plastic compound body for long life and maximum comfort. 1-6Nm range is set from the push button dial integrated into the rear of the handle. Audible and perceptible click when torque value is reached and completely eliminates over-tightening, metal clutch for extra long life. Supplied with 1//4” bit holder but can also use Wiha’s one piece blades for unrivalled access through tight spaces. Calibrated and traceable to ISO 6789.