工業級扭力起子（附快速脫卸/快換式起子頭接桿）

Tolerance of torque ±6%.
6.3mm (1/4") Hex drive for bit.
Bit holder with locking sleeve and quick-release device.
A spring-loaded sleeve locks the bit securely in the place.
Simply push the quick-release shank to change the bit.
Slipping clutch mechanism of the product brings the benefit of overload protection.
Torque setting by twisting the golden adjustment knob.
Easy-to-read laser scale.
Applied to both clockwise and counterclockwise.
Quality meets DIN ISO 6789 & ASME B107.300-2010.