Stable operation with low power consumption and durable construction for long service life. noise suppression; moistureproof; temperature resistance to ensure reliable performance in varied environments. Packaged in antistatic bags for protection; not easily damaged during storage or transit. Resistor kit suitable for product development, student experiments, maintenance, and production environments. Easy storage with tape packaging and clear markings for quick identification. adjustment type with a knurled shaft for easy operation during daily use. Suitable for multimedia, speakers, and other electronic devices. Useful for controlling electrical devices such as volume control with precise adjustment. Made of metal and carbon film; knurled shaft on the knob enhances daily usability and longevity.