Power/Ground Distribution Block, 2x4GA IN(IN)-8x8GA OUT Made of High Performance Zinc alloy + plastic, Car audio distribution block,impact resistant plastic cover.The cover is made of high strength, nonperishable industrial-grade plastic High performance amp power distribution block,Low-resistance, high-current ability Amplifier Distribution block, suitable for auto car, boat or other vehicles, protect your vehicle's audio's system,A favorite of car music enthusiasts. Suitable for auto car,RV,ATV,boat or other vehicles, protect your vehicle's audio amplifier system Colour:Photo Color Material:Zinc alloy + plastic Package Contents: 1 * 8 Way Car Power Distributor Block Holder Only the above package content, other products are not included. Note: Light 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.