1. With pipe thread: The size of the kit is about 6x2.5cm, thread size: 3 / 8 inch, and the package includes pipe thread. 2. Durable material: Made of aluminum material, lightweight, sturdy and durable. 3. Ideal accessory: This fan temperature switch can directly replace part of the blower motor resistor switch, making it an ideal choice for your travel tools. 4. Operating temperature: This fan temperature switch is suitable for fan on temperature of 185 degrees Fahrenheit and fan off temperature of 175 degrees Fahrenheit. 5. Suitable for multiple fans: This product is widely compatible with any of our 10, 12, 14, and 16-inch fans, and has a wide range of applications.