All measurements are approximate:

12mm clickers-

• The entire clicker measures 15mm tall by 28.2mm wide
• The inner wearable area measures 8mm tall by 13.1mm wide

9/16"mm clickers-

• The entire clicker measures 15mm tall by 31.7mm wide
• The inner wearable area measures 9mm tall by 15.5mm wide

5/8" clickers-

• The entire clicker measures 20mm tall by 363mm wide
• The inner wearable area measures 12mm tall by 18mm wide

The black accents are enamel.