This 28-gauge, 150-meter-long, high-quality, insulated copper wire features premium polyurethane insulation and is suitable for operating temperatures up to 400°C. The copper material ensures excellent conductivity and durability, and supports direct soldering. This product is suitable for frequency transformers, inductors, electromagnets, motors, speakers, and other electrical components requiring precision winding, and is widely used in homes, workshops, and industry.