Ergonomic Single Wing Nut Knob (ESWN)

The recess of the wing is designed based on ergonomics to fit the fingers perfectly. Operating temperature -30 degrees to 130 degrees.

[Features]
· The shape of the wings designed based on ergonomics fit the fingers and do not hurt the hand, even when using strong force.
· The cap can be easily removed by pushing out the bolt by the screws from the back