Description: 1.Reasonable wiring: connect up to 5 No. 4 or No. 8 or No. 10 wires with an amplifier. It is also possible to combine the ground wires of multiple power amplifiers into one ground point.Use high-quality distribution blocks to make your system wiring easier. 2.High performance: power distribution block, low resistance, high current capability and high power built-in fuse.With plastic cover for impact resistance, the protective cover is made of high-strength, hard-to-break industrial-grade plastic. Screw fixed, the shell is not easy to fall off. 3.Wide range of applications: suitable for cars, ships or other vehicles to protect your car audio system. 4.Service: Friendly After-sale Service - Our relationship with our customers doesnt end after the sale is complete. Were here for you if youre unsatisfied for any reason or have an issue with the product. Friendly customer service will ensure your satisfaction is our top most priority. Specifications: Material: Zinc Alloy Size: 40 * 45 * 30mm Package Included: 1 * Junction box Thank you for your attention, There are so many useful and cheap item in our store. If you need more this item ,you can contact us.we will give you our best price. Leave your message!