1-1/4" stone ceramic porcelain quartz concrete core drill bit hole saw cutter

(a) 1 Piece of 1-1/4" Diamond core drill bit for marble ceramic porcelain quartz granite hole cut. (5/8"-11 Feale Thread arbor). - Drills/Cores through Concrete, Granite, Masonry, Stone, Marble. (b) 1 Piece of Premium Professional grade.

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