Specifications and models:

Four-eye thin edge Button * 14L = 9.0mm

Four-eye thin edge Button * 16L = 10.0mm

Four-eye thin edge Button * 18L = 11.5mm

Four eyes thin edge Button * 20L = 12.5mm

Four-eye thin edge Button * 24L = 15.0mm

Four-eye thin edge Button * 28L = 18.0mm

Four-eye thin edge Button * 32L = 20.0mm

Four-eye thin edge Button * 36L = 23.0mm

Four-eye thin edge Button * 40L = 25.0mm

Four-eye thin edge Button * 44L = 28.0mm

Four-eye thin edge Button * 48L = 30 mm

Four-eye thin edge Button * 60L = 38 mm

Two-eye bread button * 14L = 9.0mm

Two-eye bread button * 16L = 10.0mm

Two-eye bread button * 18L = 11.5mm

Two eyes bread button * 20L = 12.5mm

Two-eye bread button * 24L = 15.0mm

Two-eye bread button * 28L = 18.0mm

Two-eye bread button * 32L = 20.0mm

Two-eye bread button * 36L = 23.0mm

Bread buttons with two eyes * 40L = 25.0mm

Two-eye bread button * 10L = 6.0mm

Bread buttons with two eyes * 48L = 30 mm