Large 2.5 inch full size uniform campaign device (pin) with 3 pin posts and 3 deluxe locking clasps. The pin is made with enamel and has a beautiful clear coat of epoxy to protect it and give is that lustrous appeal. it is nickel plated. We are the only source of this collectible pin and we also offer Chief Master Sergeant rank insignia patches for the Senior Enlisted Advisor of the United States Space Force and Command Senior Enlisted Leader of United States Space Command, sold separately.