* Model #ST-O400

Square Drive: 1/4"

Free Speed: 7;000 RPM

Average Air consumption: 0.44 cfm (15.8 ft/min)

Torque range : 17 - 25 ft-lb (23 - 35 N-m)
Air inlet: 1/4"

N.W: 2.10 lbs(0.96 kgs)

Overall length: 6.3 inch (161mm)

Packing: 10pcs/Ctn/11kg/12kgs/1 cuft

* Model #ST-O401

Square Drive: 1/4"

Free Speed: 7;000 RPM

Average Air consumption: 0.29 cfm (10.5 ft/min)

Torque range : 11 - 17 ft-lb (15- 23 N-m)
Air inlet: 1/4"

N.W: 1.90 lbs(0.86 kgs)

Overall length: 5.9 inch (152mm)

Packing: 10pcs/Ctn/10kg/11kgs/1 cuft

* Model #ST-O402

Square Drive: 1/4"

Free Speed: 6;000 RPM

Average Air consumption: 0.25 cfm (8.8 ft/min)

Torque range : 8-12 ft-lb (11- 16 N-m)
Air inlet: 1/4"

N.W: 1.90 lbs(0.86 kgs)

Overall length: 5.90 inch (152mm)

Packing: 10pcs/Ctn/10kg/11kgs/1 cuft

* Character

- Single-hand reverse lever allows quick & easy operation.

- 9-blades & double chamber air motor make tools achieve efficient & smooth fastening.

- Two-blades pulse mechanism with powerful air motor to provide more power.

- Constant torque output; the tolerance is 3%.

- Low Vibration.

- Low noise.

- Less occupational hazard.