Features: The connector features heavy duty conductive strips for superior electrical efficiency, oxidation resistant materials for corrosions prevention, and puncture type technology that eliminates wire stripping while ensuring secure. Built with reinforced plastic metal construction, this automotive electrical connector employs a patented insulation piercing design to preserve original wire protective layers while delivering exceptionally current carrying capacity and vibrations resistant durability. Designed for automotive technicians, motorcycle enthusiasts, and DIYer users requiring professional solution for vehicle power systems, battery replacements, or electrical upgrades. Ideal for maintaining battery terminals in cars, motorcycles, or frequent vibrations without compromising connection stability. Its corrosions resistant alloy contacts ensures effortless installation and reliabled performances in demanding environments, meeting strict automotive electrical safety standards. Specifications: Component:Plastic+Metal Outer diameter of adapter cable: Φ1.5mm~Φ2.1mm Current: 9A Adaptive cable specifications 0.35mm²~0.75mm² Case temperature resistance: <135°C External cold resistance: -45℃ Package Includes: 20pcs/30pcs/50pcs Battery Cable Connectors 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.