Pure copper material: Made of high quality metal material, highly conductive, . Copper terminals is not as thick as other ring terminals, cheaper and lighter, easy to use without heavier-duty crimpers. Convenient connection: Ring terminals is suitable for various electronic components, copper terminals can be easily connected to the cable device during operation, and can be quickly disconnected in an emergency case. Open design: Ring terminal connectors is designed with a special open , making it perfect for solid or stranded wires . copper ring terminal working temperature range -30~ 60 Celsius ( - 22-140 Fahrenheit). Wide application: Open copper ring can be crimped or welded, and the ring connector is perfectly matched with the wire connection of cars, motorcycles, home appliances, and power distribution cabinets., Weight: 0.27337320488 pounds, Manufacturer: Yoeruers