The distribution block is made of zinc alloy and plastic material that ensure durability and consistency. The distribution block is designed to protect the electrical components of the audio amplifier system, improves the clarity of your car amplifier system. Easy to install and does not require special skills. Features -Color:Multi -Material:Zinc alloy, plastic -Size:4.60X4.00X2.50cm/1.81X1.57X0.98in -Specification: 1 x 0GA Input hole, 2 x 4GA Output hole - The distribution block is stable and reliable, easy installation, just put in the wire and tighten it. - The distribution block is compatible with various types of audio systems and can work with car amplifier. - Distribution block can be applied in auto, car, boat or other vehicles, nice for car amp systems. - Car distribution block is nice for car owners who want to upgrade their audio amp systems without completely replacing them. - Ground distribution block is effective solution to improve the performance of your car amp system. Package list: 1 x distribution block