The Universal 2pcs 12v Quick Release Battery Terminals Clamps are designed to provide a high-quality and durable solution for your battery needs. Made with a sturdy plastic cover, iron screw, and nut, these terminals are built to last and can be used for a long time. These quick release car battery connectors feature a red cover that connects to the positive port and a blue cover that connects to the negative port. The cable is securely fixed in place by a set screw, ensuring a reliable connection. Suitable for all post round battery sizes, these battery terminals are versatile and can be used for various applications. The internal diameter of the positive port is 18mm (0.7 inches), while the internal diameter of the negative port is 15.5mm (5.9 inches). The compact size of the terminals, measuring 6.9*4.7*2.8cm (2.7*1.9*1.1 inches), makes them easy to install and use. With a net weight of 0.155kg (5.5oz), these battery terminals are lightweight and portable. The package includes 1 pc of either a red cover or a blue cover battery terminal, allowing you to choose the option that suits your needs. Key Features: High-quality plastic cover, iron screw, and nut for durability Quick release car battery connectors Red cover connects to positive port, blue cover connects to negative port Cable is securely fixed by a set screw Suitable for all post round battery sizes Compact size for easy installation Lightweight and portable Package includes 1 pc of either red or blue cover battery terminal