Fuse Holder: 40 Amp Circuit Breakers. Made for your car that can protect your car from electrical hurt. Feature: Transparent cover, the internal structure is clearly visible. It is a waterproof item that can protect the water from the outside. Easy Installation: It is made of metal and plastic that is durable for your car. Easy installation. It saves your time in the installation. Good Replacement: A good replacement for the old or broken one. Universal for most of cars audio. Package Include: 2 x Fuse Holder, 2 x 40A ANL Fuse.