12AWG inline fuse holder is perfect for car audio, motorcycle, truck, ATV, UTV, SUV, marine, and other vehicle wiring projects. This fuse holder is a great solution when there is not enough space for a fuse block. It is a standard size and will accept most standard ATO/ATC fuses. The inline fuse holder is made of high-quality materials for long-lasting durability. The package includes 5 packs of inline fuse holders and 60 pieces of ATC/ATO blade fuses, including 2A, 3A, 5A, 7.5A, 10A, 15A, 20A, 25A, 30A, 35A, 40A, and 50A.