2PC 1/8 1/4 1/2 3/8 BSP Male Thread 6mm-16mm Straight Barb Tail Brass Connector. 6-100mm Diamond Core Hole Saw Hole Cutter Tile Porcelain Glass Drill Bit Cutter. 2PCS 1/8" 1/4" 3/8" 1/2" Female To Male BSP Connector Brass Reducing Adaptor.
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