With easy to read display in Nm and ft.lb. To set torque, simply pull out the push lock system to unlock handle, turn handle to desired setting, and lock. When the set torque value is reached you will feel and hear a 'click'. With push button 'quick release. 45 teeth. Left & right ratcheting system. Everything is packed in a sturdy blow molded case. 1/4" drive: 5-25Nm - Outer diameter: 26mm - Head height: 22mm - Length: 290mm - Weight: 405 grams 3/8" drive: 10-50Nm - Outer diameter: 40.5mm - Head height: 37mm - Length: 405mm - Weight: 918 grams1/2" drive: 60-300Nm - Outer diameter: 40.5mm - Head height: 40mm - Length: 590mm - Weight: 1412 grams3/8" drive: 20-100Nm - Outer diameter: 40.5mm - Head height: 37mm - Length: 405mm - Weight: 1010 grams Note: This torque wrench is accurate to ±3% of the setting and is manufactured and tested in accordance with DIN 3122 & ISO 6789. This is a precision product and should be used as such. It is advised to set torque to its lowest setting for maximum product life.