Designed to work with the Firefighter's Radio Strap Radio specific models available Universal models available The Boston Leather Radio Holder is designed to work with the Firefighter's Radio Strap. Several universal and multiple radio specific model are available. Please reference the radio fitting guide provided on Boston Leather's website or ask us if you have any questions regarding which holder is right for you. We are happy to help. All Leather items by Boston Leather are constructed from American tanned leather from American steers. Made in the USA.