BEST BST-090-JP Stacked Banana Plug Female Head Power Multi-Use Extended Interface Cord 4 in 1 ?Superior Conductivity: Ensures high-efficiency superconducting transmission, providing reliable performance for all your power and testing needs ?Durable Construction: Features copper core wires wrapped in high-temperature resistant silicone, offering durability and long-lasting use under various conditions ?Multi-use Expansion Interface: The versatile expansion interface allows for multiple connections, making it suitable for a wide range of applications ?Wide Application Range: Designed to accommodate a variety of power and testing scenarios, making it an essential tool for professionals and hobbyists alike ?Safety and Reliability: Rated for a safety voltage of 2000V 20A, with high-quality materials including copper, silicone, PVC, and ABS, ensuring both safety and reliability ?Specification: ?Product Name: Power Multi-use Extended Interface Cord 4 in 1 ?Product Model: BST-090-JP ?Product Material: Copper + Silicone + PVC + ABS ?Safety Voltage: 2000V 20A ?Expand Dock Size: 33 x 27 x 20mm ?Banana Plug Size: 4.0 x 44mm ?Product Line Lengths: 8.5cm / 80cm / 40cm / 40cm Package included: ?1 x Expansion Interface ?1 x 80cm Banana Test Line ?2 x 40cm Banana Test Line ?Other items not included