Power/Ground Distribution Block Input: Accepts 0GA(1GA)x1,Outputs: Accepts 4GAx4 Wire Made of High Performance Zinc alloy DuHigh Temperature Base,High Strength Nonperishable Industrial-grade Plastic Cover Suitable for auto car,RV,ATV,boat or other vehicles, protect your vehicle's audio amplifier system Type: In 4 Ways Out power Distribution block Electrical Connection: 0GA/1GA X 1 Input, 4GA X 4 Output Size:45 x 40 x 28mm/1.77inch x 1.57inch x 1.1 inch (LxWxH) Screw-down Wire Clamps Input: Accepts 0/2/4 Gauge Wire Outputs: Accepts 4/8/10 Gauge Wire Impact Resistant Snap-on Plastic Cover -Plated for Resistance Offers complete protection for your car audio system Material:Plastic + Zinc Alloy colour:As shown Package Contents: 2 x 4 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.