[Features]● Pull while turning the knob to the left, and the tip becomes a hexagonal wrench. ●A precision tool for deburring the back side of drilled holes. ●Hold the blade vertically, insert it into the drilled hole, and turn it horizontally to remove burrs. ●When inserting or removing the blade, press the knob with your fingertip to rotate the blade vertically.
[Applications] ● For removing the back side of drilled holes.