Toolzone 38 drive low range torque wrench 5 25nm professional 38 drive low range torque wrench carefully calibrated for accurate torque settings the torque is adjusted by turning the twist grip and using the micrometre type barrel to set the required torque once set turn the black knurled knob at the back of the torque wrench to lock your desired torque the range is from 5 25nm cmkg with micrometre graduated in 01nm increments satin finished with knurled grip for use in oily condition