Universal Fit: Suitable for most Automotive Marine Car Audio Video Alarm Amplifier and so on. Use for battery and alternator connections. Feature: Protect the safety of the mat parts in the circuit, when a short circuit occurs in the circuit when there is a large current, timely switch the current to protect the parts in the circuit. Product Characteristics: Made of plastic and metal material, it's with long time using. How to Install: Direct replace and install without special tools, convenient to use. Colour: black Material: plastic+metal type: 80A Package Contents: 18 x Fuse Holder 18 x Fuse 36 x Tube Terminal 36 x Pre Cut Heat Shrink Sleeving Only the above package content, other products are not included. Note: Light reflection 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.