The copper valve core is made of copper material, ensuring durability and stability. One positive and one negative terminal; the red copper coil features an inverted opening, while the blue copper coil has a straight opening, suitable for various requirements. The copper shell provides high temperature resistance, suitable for a maximum temperature of 90 degrees Celsius. The copper valve core is widely used in kitchens, bathrooms, sinks, and similar applications. Package includes: 1 piece blue spool + 1 piece red spool. Note: 1. Product dimensions are measured manually and may have a 2-3mm variation due to different measuring tools and methods. 2. All images are taken of the actual product, but due to differences in photography, lighting, monitor settings, and personal color perception, slight color variations may occur between the image and the actual product. The actual product color should be considered definitive. 3. Please handle the product with care.