This spring clamp is designed for your room air conditioner. This clamp holds the fan blade on the motor shaft so it can rotate during operation. If your fan blade is wobbling on the motor shaft, you may need to replace it. The part is made of metal and is approximately 3/4-inch in diameter. This is an OEM part sourced directly from the m...Read moreanufacturer. This spring clamp is sold individually. Before you begin this repair, make sure your air conditioner is disconnected from the power source. To complete this repair, you will likely need to remove the air conditioning unit from the wall.