6-100mm Diamond Core Hole Saw Hole Cutter Tile Porcelain Glass Drill Bit Cutter. 2PC 1/8 1/4 1/2 3/8 BSP Male Thread 6mm-16mm Straight Barb Tail Brass Connector. 6Pcs Mini Engraving Drill Bits Set Wood Carving Tool Milling Cutter 2.35mm Shank.
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