6mm-50mm Dry Diamond Drill Core Bit M14 Drilling Porcelain Tile Hole Saw Cutter. 6mm-125mm Dry Wet Diamond Drilling Core Bits M14 Porcelain Tile Hole Saw Cutter. 3pcs 6mm Dry Diamond Core Drilling Bit Cut Porcelain Tile Marble Hole Saw Cutter.
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