Single round button.
Colour:red.
Average:12.5 mm.
Material:plastic.
Diameter: 16 mm.
Colour: black, red.
Material: plastic.
Two-hole.
2 hole button.
Average: 20 mm.
Thickness: 2 mm.
4 hole button.
Average: 23 mm.
Thickness: 3 mm.
Average: 25 mm.
Average: 39 mm.
Settings