Features: Upgraded your car stereo system with these 0GA to 4GA connector, engineered for high power transfer efficiency and 40% improved conductivity to minimize signal loss for clear sound reproduction. Featuring corrosion resistant copper alloy construction, these eccentric style terminals deliver 3x enhanced oxidation resistance for long lasting performances in extreme temperatures and humidity. Designed for car stereo enthusiasts and DIY installers seeking hassle less upgrades, the tool less plugs and play design enables 10 second replacements during frequent system modifications. Optimized for car amplifier setups requiring 0GA/4GA compatibility, these connector ensuring secure power delivery across multiple climates, from humid coastal areas to desert heat conditions. Built in overload protection safeguards premium stereo equipment during extended high performances use, automatically disconnecting power during voltages spikes while maintaining signal integrity. Specifications: Component:ABS Height:Approx.41.5mm/1.63inch Color:Silver Product model: 0GA to 4GA Package Includes: 2PCS Automotive Speaker Wire Terminals note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.