Model: QS8S. A+B: 1 QS8-S male and female set. B: 1 QS8-S female. A: 1 QS8-S male. -Reverse depolarization design. Connector material: 8mm gold-plated copper. Reverse non-polarized design. QS8 is a high-strength spark-proof spark For prevention sparks during initial connection.
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