Features and Benefits:•For tightening screws to values set by measuring torsion angle•Complete with buzzer and LED indicators informing user that preset angle has almost or finally been reached•For right-hand and left-hand tightening•Angle accuracy: +/-2%•Resolution: 0.1°•Up to 9 angle values can be preset•Up to 50 measurements can be preset•Supplied in an ABS case•Power supply: 2 AAA-size batteries (included)Digital angle indicator