Features: Equipped with a 4mm protective banana socket to ensuring good electrical connection, it can effectively prevent short circuits and electric shock risks, ensuring safe use. Make of copper and PA, it has good conductivity and corrosions resistance, ensuring long-term use without easy damage and maintaining stable current transmission. Suitable for multiple fields such as electronic experiments, model making, circuit testing, widely suitable for students, teachers, and enthusiasts. The opening is wide, easy to hold various wires, and the banana socket at the tail is convenient for quick connection, which can be operated without additional tools and improves work efficiency. Provide multiple color option for easy differentiation and management in projects, making circuit connection clearer and more straightforward. Specifications: Component: Copper, PA Color: Gray Red/Gray Black/Gray Yellow/Gray Green/Gray Blue Size: as shown in the picture Current and voltages: CATIll 1000v/maximums 32A Package Includes: 1pc Insulated tests Clamp note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.