This is a W2003/SROK Vortex Rok GP counter - balance shaft gear. The gear has markings A and C. In fact, it's the same gear just flipped over. It offers reliable performance for your equipment.
To use this gear, simply install it in the appropriate position of your device as per the equipment's manual. When handling, be careful not to drop it as it may cause damage. For maintenance, regularly check for any signs of wear or damage. If you notice any issues, replace the gear promptly. Keep it clean and store it in a dry place when not in use.
