Description 1. 1 x 0GA IN/ 3 x 4GA OUT - Make wiring your system easier with high quality distribution blocks . 2. NICKLE PLATED INTERNAL MATERIALS - Eliminates the possibility of corrosion, rust, oxidation, or premature wear on speaker wire connection points. Ensures you get the longevity out of your system that you expect. 3. HIGH CONDUCTIVITY COPPER ALLOY - All of distribution blocks are made with high conductivity copper alloy and chrome plated to maximize the security of your connections. Ensure your wiring is secure, neat, and safe. 4. OVERSIZED SET SCREWS - Allen head tops and oversized set screws with small serrated ends guarantee a strong consistent connection that instils confince against loose wires. 5. DEEP WIRE RECESSES - designed these distribution blocks with deep recesses to protect your wiring from being left exposed to the elements or other objects that might cause your system to malfuction. Specifications: Weight:100g /200g2pcs Size : 80 x 55 x 50mm Suitable for auto car, boat or other vehicles Offers complete protection for your car audio system Designed and engineered for high performance by the best industry experts Package Content: 2Pcs 3 Way Car Power Distributor Block