Specification:Product Name Glass Hole Saw Main Material Metal Cutting Hole Diameter 8 mm / 5/16" Shank Size (Approx.) 18 x 5 mm / 0.7" x 0.2" (L*D) Total Length 51 mm / 2" Color Silver Tone Weight 50g Package Content 12 x Glass Hole Saws Description:12 pcs silver tone metal glass hole saw, diamond coated cutting hole, great for making clean and accurate hole on glass and tile.Suitable for drilling marble, tile, glass, granite, stone, good replacement for the old or damaged ones.Works better with an electric drill (here is not included).
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