Insize IST-PW20, PRESET TORQUE WRENCH, 30~180lb.in, 6940561944334

Accuracy +/-3%
Square drive 1/4″
Torque is preset, to prevent adjustment by mistake during use.
The torque is set at the factory before delivery. Customers can also set the torque with adjustment tool and digital torque testers.
Clockwise operation only.