This box contains 4 vintage Bussmann TL-15 fuses, each with a maximum amperage of 15 and voltage of 125. These fuses have a time-delay/slow-blow (T) fuse speed and a dual element for branch circuit applications. They are mounted using screws and are perfect for use in electrical equipment and supplies. The fuses are made in the United States and are great for anyone looking to replace or stock up on electrical fuses.