4-pin W7 cylinder helps prevent picking

1-3/4in (44mm) laminated steel body for superior strength

2in (51mm) Shackle clearance for more uses

Open slot design for easy plug removal

Optimized blade design reduces heat and pitch build up

3/8 in. Tile & Stone Carbide Tipped Drill Bit 4-pin W7 cylinder helps prevent3 8 in. Tile & Stone Carbide Tipped Drill Bit Diablo made carbide tip withstands impact for maximum durability and superior life versus standard tile and stone drill bits Multi Ground carbide tip delivers stability and accuracy required for fast, precise hole drilling 3 Flat Shank eliminates spinning in drill chucks