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 times 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 strong Comes With Removable Cover:Transparent plastic box protects fuses from dust, dirt and splash, and storage your fuses tidy dustproof and waterproof, not easy to aging and abrasion resistant, to maximum strength and durability for long lasting usage Wide Application: Car audio fuse holder can be used on cars, boats, RV's and so on. Professional manufacturer and construction, performance and quality guaranteed. Condition: Fit Wire Size: 4GA in, 4GA out Package Weight: .55g Fitment: For cars, boats, RVs Material: Plastic, Zinc Alloy Colour:Black + blue + gray type:Single way Voltage:12V-32V Size:Case Size:7.1*2.3*3CM Fuse Current:60A Hole Size: 8.5mm Package Contents: 1*Fuse Holder Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.