Established in 1958 by Jack Martens, Aerofast Incorporated is a privately held company providing a variety of standard detent pins. The company s model C is a standard detent pin available in both zinc plated C1144 carbon steel and centerless ground 303 stainless steel. Aerofast s model D detent pin is manufactured with a ring handle and can be customized with a variety of handles and attachment options to suit specific requirements. The company s model F pins meet the needs of the fitness and sports and medical industries. Aerofast provides various accessories such as split rings, hairpins cotters, bead, sash and tenso chains and lanyards. Aerofast also offers customized manufacturing of detent pins and is based in Carol Stream, Ill.