2/4/6/8/12/18 Channel Micro Rotate Slip Ring 2A Diameter 12.5mm for RC Excavator Model DIY PTZ Gimbal Electric Collector Rings

2/4/6/8/12/18 Channel Micro Rotate Slip Ring 2A Diameter 12.5mm for RC Excavator Model DIY PTZ Gimbal Electric Collector Rings

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