Wavor dedicates to the R&D and production of electric torque wrench, pneumatic torque multiplier, rechargeable torque wrench and manual torque multiplier.  

  In recent Wavor has launched one new 2000Nm hand torque multiplier, model HM-20!  HM-20 is single planet structure, gear ratio 1:4.3, torque ratio 1:4, input square 3/4 inch, output square 1 inch. When input 500Nm torque, the output torque could be maximum 2000Nm, accuracy ±5%. HM-20 is one endurable hand torque multiplier with simple structure , light weight, small volume, which could be used for most bolts that smaller than M36, size below 60mm nuts.