KUMEED 12V DC 20A 30A 40A 50A 60A Car Audio Inline Circuit Breaker Fuse for System Protection (30A) Car Audio Inline Circuit Breaker Fuse 12V DC 20A 30A 40A 50A 60A 80A 100A For Choose Function: prevent excessive current, protect the electrical appliance Brand new ,made with high quality parts, apply in connecting audio power line Easy to use and durable, Use in place of an inline fuse holder Any quality issue, simple BY EMAIL contact us to get new one or money back