2PC 1/8 1/4 1/2 3/8 BSP Male Thread 6mm-16mm Straight Barb Tail Brass Connector. 【Car Battery Safety Isolator】Suitable for battery pole 15-17mm (negative pole in standard size). 【Power-Off Switch】Easy to use, just turn the switch to quickly and safely disconnect the battery disconnector (tighten to turn on, unscrew to turn off).
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