Features: Upgrades your vehicle electrical systems with this 0ga to 4ga distribution block, ensuring a secure and efficient connection for high performances sound frequency setups. Constructed from abs, this junction box set includes two 0ga to 4ga adapters, 4ga to 8ga conversion heads, and all necessary installation hardware for a long lastings use. For car audiophiles enthusiasts and professional looking to customize or upgrades their automobile or motorcycle sound systems with precisions and ease. Perfects for installation in a variety of vehicles, these distribution blocks facilitate the organization and safety of your vehicle circuitry, making them essential for any sound frequency systems modification. Enhances your sound frequency experience with this easy to install distribution block kit that comes completely with hexagonal wrenches and spare screws, providing a seamlessly solution for managing your vehicle wiring needs. Specifications: Component:ABS Size:Approx.60x45.5x31.5mm/2.36x71.79x1.24inch Package Includes: 1 Pair Power Distributor Box note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.