This fuse holder is similar to the Fender Style Blackface Era Fuse Holders. These fuse holders will work as an excellent replacement for any Fender Blackface Series Amplifier to in need of repair or restoration. Amplifiers such as the Fender Blackface Deluxe Reverb, Fender Blackface Twin Reverb, Fender Blackface Bassman, and so on. In the event your original fuse holder cap was lost or damaged, the cap on this fuse holder will fit on your original fuse holder. Easy to install and ready to serve you for the years to come!