Sizing makes a difference when it comes to pedal compatibility.
Please double check your switch size and make sure your buttons work with your pedal switch.

Once you know your switch size, you can shop by size and find a variety of fits, (heights and diameters).

A metal ruler and some type of object
Shop V1
A metal ruler and some type of device
Shop V2
A metal ruler and some small knobs
shop Big Bore
A metal knob with the name " max bore " on it.
shop max bore

 

Barefoot Buttons Fits- Heights and Diameters

A chart showing the different sizes of metal rings.