This Littlefuse Inc. FHP1 Universal Retainer In-line Fuse Holder is a must-have for anyone who wants to protect their car's electronic system from overloading. This holder accepts SFE type fuses and has a voltage rating of 12V with an amperage rating of 20A. It is compatible with various car audio and video installations and ensures that your electronic devices work safely and efficiently. The holder is also designed with a universal retainer, making it easy to install and replace fuses as needed. Is for 10 NOS pieces.