Description: Function: Used to connect audio power lines. To prevent excessive current, mainly to protect the car stereo. Cuts off the power automatically when the electricity is too strong. Product Type: An in-line automotive fuse holder with a water and impact resistant clear housing, wire terminals that accept up to 4GA 8GA gauge wires. Feature: Fit for custom protection circuits or to replace an existing defective one. Mateiral: Made of high reliable quality and durable material Widely Application: Use for car alarm fitters, audio installers, auto electricians, other professional applications and DIY use. Specification: Voltage: 12-32V Purpose: Used to connect audio power cord. Function: Prevent excessive current and protect electrical appliances. Material: ABS+copper Color: transparent Mounting hole diameter: 5mm Diameter of two mounting holes: 33mm / 1.3" Size Chart: 7x5x4cm/2.76x1.97x1.57inch Package Includes: 1 Piece AGU Fuse Holder 4 Piece Amp Fuse Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!