2PC optical shaft with thread two ends of M3/M5/M6/M8 thread hole depth of 8-16mm Linear shaft OD8/10/12/16/20mmLength100-1000mm

2PC optical shaft with thread two ends of M3/M5/M6/M8 thread hole depth of 8-16mm Linear shaft OD8/10/12/16/20mmLength100-1000mm

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