Diablo DMANS1070-S4 Tile and Stone Carbide Tipped Drill Bit Set
The 3-Flat Shank provides extra stability by eliminating spinning in the drill chuck. TILE&STN DRL BIT SET 4PC. Product Type: Tile and Stone Drill Bit Set. Diablo DT302P5 Durable Torque Resistant #30 Torx Drive Bit 2 in.