1.Modular Box Design: Simplify wiring configuration. The modular box design of bus bar allows for easy organization of wires, ensuring a hassle-free setup. 2.Removable Box: Facilitates convenient wiring without any obstacles. The detachable box neatly organizes the internal wiring of your vehicle or boat, keeping it well-managed and easily accessible. 3.Versatile Product Usage: The middle bolt connects to the power distribution block's negative pole, while bolts connect to the battery's negative pole. It gathers small currents from devices (e.g., 3A, 5A, 10A, 8A) and integrates them into a single thick wire, allowing for a large current up to 300A connected to the battery. 4.Efficient Wire Harness Organization: Effectively consolidates the negative pole wiring in automobiles, ships, and yachts. By gathering the negative wires together, this bus bar junction block streamlines their arrangement, resulting in a more aesthetically pleasing wire harness Specification:M8 Color: Red Material: plastic Package Contents: 1 x Cable Organizer Box Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.