Keep your camera functioning smoothly with this essential film return knob spring spacer. Specifically designed as a replacement part for FM, FM2, FE, FE2, FA, and FM3A series cameras, this spacer helps maintain proper operation of the film return mechanism. When original factory parts become damaged or lost over time, this precision-made replacement component helps restore your camera's functionality. The spacer is engineered to match the specifications of the original part, ensuring proper fit and operation. This small but crucial component helps maintain smooth film advancement and return operations in your classic camera. Perfect for camera repair enthusiasts and professionals looking to restore or maintain these iconic camera models.