The Vintage Duo Fast HT-755 Classic Hammer Tacker is a heavy-duty stapler made of metal in a classic silver color. This stapler, part of the Duo-Fast 550 model, is designed for use in the United States and is a single-piece product. Although it is being sold as parts only, this durable and reliable stapler is perfect for those looking to repair or replace a similar Duo-Fast model in their workshop or at home.