One pair
Outer circle measures two Inches
You may choose a variation with holes or without. The connector pieces will com with a hole on both variations.
Variation without holes is meant to use with leather holding all together.
color/option are essentially endless. If you have something specific in mind please reach out and see if we can accommodate. Other wise if you just want a color not listed use the custom color option and leave a color choice in the field. By choosing this option it could extend Tat to 7-10 business days. Just depends if we need to order that certain color.