Features: Improve Your RV or Yacht Electrical System: This set of double row 4-way busbars with M8 M10 terminals is perfect for upgrading your vehicle or boats battery connections. Durable and High-Quality Materials: Made from ABS, zinc alloy, and copper, these connectors are built to last and provide reliable-performance. Ideal-for DIY Enthusiasts and Professional Installers: Whether you're a seasoned pro or just starting out, these busbars are easy to install and will improve your electrical system efficiency. Perfect for Boats, RVs, and Other Vehicles: Use these busbars to connect multiple batteries in your boats or RV, or upgrade the battery connections in your car, truck, or motorcycles. Customize Your Electrical System: With 4 separate rows of terminals, you can easily connect multiple batteries and accessories to your electrical system, giving you more control over your power supply. Specifications: Material: ABSandZinc AlloyandCopper Size:Approx.13.5x7.5cm or 5.31x2.95inch Style:M8 or M10 Note: .Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. .Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings. Package includes: 1 Set Terminals