Features 1、The conductor pin is tinned copper that can ensure excellent electrical contact. 2、Cable connection adopts method of rivet and lock, quick /u0026 simple for assembly. 3、With excellent aging resistance and UV endurance, it can be used in harsh environment. 4、The O ring on connector is perfect to seal out water and dust to prevent corrosion. 5、The included MC4 assembly tool makes it easier to tighten and separate the connectors. 6、Great solution for parallel connection of multiple panels together in a solar field. 7、Cable connection adopts method of rivet and lock, quick /u0026amp; simple for assembly. Specification These are connectors which are used to connect multiple solar panels or groups of solar panels together in a solar field, and typically used in parallel applications. The included assembly tool makes it easier for users to quickly and easily tighten and separate the connectors. Features: The conductor pin is tinned copper that can ensure excellent electrical contact. Cable connection adopts method of rivet and lock, quick & simple for assembly. With excellent aging resistance and UV endurance, it can be used in harsh environment. The O ring on connector is perfect to seal out water and dust to prevent corrosion. The included assembly tool makes it easier to tighten and separate the connectors. Great solution for parallel connection of multiple panels together in a solar field. Specifications: Quantity: 20 Pairs Rated Current: 16A(2.5㎡, AWG14), 30A(4㎡, AWG12), 52A(6㎡, AWG10) Withstanding Voltage: 1000V DC Typical Contact Resistance: 2mΩ Suitable Cable Size: 2.5mm²/4mm²/6mm² conservation Class: Class Ⅱ conservation Degree: IP67 Insulation Material: PC Contact Material: Copper, Tin Plated Flame Class: UL94-V0 Ambient Temperature Range: -40°C ~ +105°C Insertion Force: less than 50N Withdrawal Force: over 50N Package Weight: 221g-428g / 7.8oz-15.12oz Note: The color of spanner will be sent randomly(blue or orange), please in kind prevail. Package List: 20 * Pairs Connectors 2 * Spanner Package List 20 * Pairs Connectors 2 * Spanner