Our United States Air Force Engineers Lapel Pins are made from the highest quality materials for long lasting good looks. No cheap metal here. Made by a leading manufacturer. One of these Lapel Pins is a great way to identify the Engineers specialty and training that you or someone you know worked so hard to achieve in the Air Force. These Lapel Pins measure approximately 7/8 inches. Your satisfaction is guaranteed, period. Usually ships within 4 - 7 business days.