RC Engine Motor Cooling Fin Heat Sink for 390 380 2640 Electric Motor

Features: 1. Good heat dissipation performance ensures safe and efficient work. 2. With high quality materials and exquisite workmanship, it is durable for long term use. 3. Effectively prevent the motor from overheating. 4. Easy and convenient to install and remove. 5. Nice heat sink to protect 390, 380 and 2640 size motor of RC cars. Specification: Condition: 100percent Brand New Material: Metal Color: As Pictures Shown Length: Approx. 28cmm 1.1in Inner Diameter: Approx. 25mm 1in Weight: Approx. 15g Package List: 1 * Heat Sink