Features: Color-coded identification method, carved amp rating on the top of housing. Protect your car and your electrical device from short circuit or overload. Transparent shell for quick detection of blown fuses. High-grade zinc alloy materials, low melting point, corrosion resistance and optimal conductivity. Snugly fit most of fuse holders and reliably proetct circuit. Used in car, truck, SUV, camper, boat, home, general digital camera applications etc.