Quick Clamp Knob _KQC

Even long screws can be tightened quickly.

[Features]
· It can be tightened quickly, even with long screws.
· Please screw in the screw vertically straight into a hole and tighten it.
· If the tightening length (A) of the screw is shorter than the extension height (H), you can not achieve sufficient tightness.
· When designing, please ensure the screw tightening length (A) is not less than the total height (H) of the knob