Connect Two Circuits: This car auto stereo fuse holder allows to use one power wire to have two separate protective circuits. High performance fuse holder, can be used many Over Current & Heat Protection: Car stereo fuse box can help to protect the device from over current and over heat. The audio fuse holder cuts off the power automatically when the current and heat is too strongComes With Removable Cover:Transparent plastic box protects fuses from dust, dirt and splash, and storage your fuses tidydustproof and waterproof, not easy to aging and abrasion resistant, to maximum strength and durability for long lasting usageWide Application: Car audio fuse holder can be used on , boats, RV's and so on. Professional manufacturer and durable construction, performance and quality guaranteed.Condition: Fit Wire Size: 4GA in, 4GA outPackage Weight: .55gFitment: For , boats, Material: Plastic, Zinc AlloyColour:Black + blue + graytype:Single wayVoltage:12V-32VSize:Case Size:7.1*2.3*3CMFuse Current:60AHole Size: 8.5mmPackage Contents:1*Fuse Holder