Description This fuse holder is perfect for car audio or video systems. It has the characteristics of high temperature resistance, high mechanical strength, corrosion resistance and high electrical conductivity. Features -Color: Assorted. -Material: Copper. -Size: About 12.50X4.00X4.00cm/4.91X1.57X1.57in. -Type: 0/4GA in-0/4GA out. - Fuse holders and 300A combinations, good collocation to satisfy your daily use and replacements, bring more convenience to you. - Features transparent design, allow you to visually see the operation of the fuse. - The cover protects the internal from water and further damage, make it last for long term. - Will protect your controller, wire, and battery from over-current, can be applied on car, boat, truck audio video systems. - Exquisite workmanship, good texture, simple installation method and durable quality. Fuse holders and 300A combinations, good collocation to satisfy your daily use and replacements, bring more convenience to you. Features transparent design, allow you to visually see the operation of the fuse. The cover protects the internal from water and further damage, make it last for long term. Will protect your controller, wire, and battery from over-current, can be applied on car, boat, truck audio video systems. Exquisite workmanship, good texture, simple installation method and durable quality.