uxcell 22mm Dry/Wet Hole Saws Diamond Core Drill Bit for Concrete Brick Block Stone Masonry Tile Glass - Amazon.com
4Pcs 22mm Drill Bit Set Thread Wet Diamond Core Drill Bit for Concrete Premium Green Series Drill 2.2'' 3'' 4'' 5'' Wet Diamond Core Drill Bit fit Concrete Premium Plumber Tool -