A torque wrench is a tool used to apply a specific torque to a fastener such as a nut or bolt. Used when the tightness of screws and bolts is crucial. Four torque units for easy scale reading (Nm=70-330, Kgf.m=7-35, Lbf.in=600-3000, Lbf.ft=50-250). The length TW3000 is 788mm.