5 Piece, Titanium, Impact Drill Bit Set, Patented Web Taper Increases The Rigidity Of The Bit To Decrease The Potential For Bit Breakage, Patented Pilot Point Tip 3/16" To 1/2" Allows Users To Drill Holes Faster Than The Conventional Split Point Product, Offers Clean Burr Free Holes With Reduced Bit Walking, Set Consists Of: (2) 1/8", (1) 5/32", (1) 3/16" & (1) 1/4" Drill Bits.