Specifications: The 3-way power distribution block allows you to connect as many as Three amplifiers to a single power source. The main input lets you connect 0GA/2GA/4GA wire from your battery to the block, and you can run up to Three 4GA/6GA/8GA wires to your amplifiers. Features: Material: Zinc alloy nickel plating Distribution Block Weight: 106g/pcs Size: 45mm x 68mm x 32mm/1.77 inch x 2.68 inch x 1.26 inch (L*W*H) Input: 0GA/2GA/4GA Wire Outputs: 4GA/6GA/8GA Wire Note: For your vehicle's protection, it is better to put an inline fuse holder between the distribution block and your vehicle's battery.It can also be used to combine the ground wires of multiple amplifiers to a single grounding point. Package included: 1 x 3 Way Car Power Distributor Block Holder