1. Modular box design for easy wiring configuration. 2. Glass fiber reinforced nylon base and shell ensure mechanical strength and durability. 3. The box is detachable for barrier-free wiring, which reasonably accommodates the wires inside the vehicle. 4. Product use: The middle M8 is connected to the negative pole of the device, and the at both ends is connected to the negative pole of the battery 5. Product function: Play a role of storage of a negative wire harness in automobiles, ships and yachts. The negative wires are gathered together to make the box storage more beautiful. Specifications (2 optional): 1.6-way fuse box with 12 fuses [5A*2 10A*2 15A*4 20A*4] 2.12 roads with 24 fuses [5A*6 10A*6 15A*6 20A*6] Size: 131.57*84.57 Weight: 257G Colour: Black Material: PBT+PC+Tin -plated copper+stainless steel Quantity: 1PCS Packaging package: 1 fuse box