2PCS Battery Terminal Connectors with 3 Way -12V Automotive Top Post Battery Wire Cable Terminals Clamp Connectors Kit, Universal Positive and Negative Set, Copper Plate with 3 Bolt for Car Van Boat - SMILFUY, SMILFUY-SMFY-125

• 【Dimension】: The size of the 3-way battery terminal clamp connector is 2.2×1.77×1.43 inches. Negative battery terminal hole diameter: 0.66 inches (17mm). Positive battery terminal hole diameter: 0.73 inches (18mm). 【Robust & Efficient】: Enjoy superior conductivity with this battery terminal connector, crafted from high-purity copper with a tin-plated finish. Designed to resist deformation, these connectors minimize voltage distortion and transmission loss. 【Simple Installation】: Connect your battery to the terminals without the use of any tools. Remember to connect the positive clamp to the positive terminal and the negative clamp to the negative terminal for a safe, shock-proof installation. Red(+), Black(-). 【Wide Compatibility】: These battery connectors support most of vehicle battery models, from cars, vans, caravans, and motorhomes to trailers, motorcycles, and trucks. A cost-efficient solution for your vehicle's battery needs. 【Functionality at its Best】: Each top post connector comes with a three-bolt copper plate, providing an easy replacement solution for old or corroded terminals. The set includes 1 positive connector and 1 negative connector, amplifying convenience.