Material: brass-zinc alloy and plastic Color: red, blue Product weight: 5.6 ounces Amperage: 500 amps Quantity: 1 piece Package Contents: 1 * detachable battery clip 1. High-quality materials: The battery terminal clamps are resistant to corrosion, offer excellent electrical conductivity, and minimize power loss during transmission. The plastic cover serves as a dust and moisture-proof insulating layer with an extended service life. The battery pole adapter connects directly to the battery to supply power to the device and ensures safe usage. 2. Terminal protection seals: These seals help prevent corrosion around battery terminals and can extend battery lifespan. They are compatible with top pillar batteries or cables as well as side pillar batteries or cables. 3. Easy to Install: The car battery pole clamps attach securely by clamping the cover. When it's time to replace the battery, simply lift the insulated housing, swap out the battery, and reattach the clip. 4. Wide range of applications: Suitable for positive or negative car battery clips, and can be utilized in any standard cylindrical battery. The quick change feature of the car battery makes it highly convenient for customers to connect or disconnect, ideal for car, motorcycle, motor vehicle, RV, and boat owners as well as yacht enthusiasts for nearly any standard 12 V vehicle battery. 5. EASY TO USE: Quick-lock car battery connectors, gold-plated for optimal power flow, are simple and convenient. They cater to users who frequently need to change their batteries.