7 Pieces Drill Bit Set For Tiles, Glass, Concrete, Stone, Brick, Tiles, Ceramics And Mirrors (3mm 4mm 5mm 6mm 8mm 10mm 12mm)

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Description
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Sharp tip tungsten carbide tip can easily penetrate various materials (tiles, concrete, brick wall, glass, mirrors, plastic masonry and wood)
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When drilling hard materials (glass, porcelain tile, marble or granite), please use water for lubrication
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Alloy head material with stronger hardness
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U-slot design with fast dust removal, triangular handle design, more stable operation