LOT 5 Pcs SET Diamond Hole Saw Drill Bit Set Granite Glass Tile - Tools 5 Piece Diamond Dust Hole SAW Drill BIT for Ceramic Tile Marble Rock Porcelain -3/8" (10mm) -1/2" (13mm) - 5/8" (16mm) - 3/4" (20mm) - 1" (25mm)
Professional Quality Core Drill BitsThe diamond coating on these saws give superior performance and life.