The wrench measures in Newton Metres and has both touch sensation and audible indicators when preset torque value is reached. The 1/4\" drive unit has a 5 to 25 Nm torque handling capacity. Each wrench has its own certification number, like a car\'s VIN, and each tool is tested and certified for accuracy before it leaves the plant. Turning serious bolts? Here\'s a serious wrench ready for jobs where precision tightening is mandatory. 1/4\" Drive, 5-25 Nm, 0.5 Resolution, 11 7/16\" length