1. Made of copper, tin-plated on the surface, anti-oxidation, anti-corrosion, easy and quick installation. 2. With tin-plated anti-oxidation protection, the product performance is more stable, the connection is reliable, and the conductivity is strong. 3. Scope of application: widely used in household appliances, automobiles, electrical industry, mechanical equipment, power distribution cabinets, etc. 4. Working temperature: -55-105 degrees Celsius 5. Material: copper 6. Interface type: AC/DC 7. Product specifications: Tube-shaped bare end EN10-15, suitable for wire diameter 10 square millimeters, product length 15mm Tube-shaped bare end EN16-18, suitable for wire diameter of 16 square millimeters, product length 18mm Tube-shaped bare end EN25-16, applicable wire diameter of 25 square millimeters, product length 16mm Tube-shaped bare end EN35-16, suitable for wire diameter 35 square millimeters, product length 16mm Black needle-shaped tubular terminal E1508, suitable for wire diameter 15 square millimeters, copper tube length 08mm Blue needle-shaped tubular terminal E2508, suitable for wire diameter of 25 square millimeters, copper tube length of 08mm Gray needle-shaped tubular terminal E4009, suitable for wire diameter 40 square millimeters, copper tube length 09mm Yellow needle-shaped tubular terminal E6012, suitable for wire diameter 60 square millimeters, copper tube length 12mm 8. Product composition: Tube-shaped bare end EN10-15 x 50 Tube-shaped bare end EN16-18 x 50 Tube-shaped bare end EN25-16 x 25 Tube-shaped bare end EN35-16 x 15 Black pin tubular terminal E1508 x 100 Blue pin tubular terminal E2508 x 100 Gray pin tubular terminal E4009 x 50 Yellow pin tubular terminal E6012 x 50