Idly rotation prevents excessive screw tightening during the torque setting. No wearing out for a long period of time.

  • Light and short, easy to operate, and low noise during idly rotation.
  • Setting up the torque value required - it enables everyone to tighten in the same way.
  • When specified torque is reached, the clutch is released automatically, and rotated idly, which prevents excessive tightening.
  • (+) and (-) bit 2pc, are attached respectively.
  • Various bits are prepared.
  • Used for both left and right turns.
  • Max. accuracy +/-3% and 1 scale is assured.


(1) Select a bit to match the screw.

(2) Rotate the adjusting ring and set a torque.

(3) Tighten the screw until idly rotated. Available for both left and right.