Wood Owl 00707 3 Piece Set OverDrive Fast Boring Ultra Smooth Auger Brad Point Boring Bits Containing the Following Sizes 5/8&rdquo;, 3/4&rdquo; and 1&rdquo; 3 Pieces set with 5/8,  and 1 bits, all 6 1/2 long Ultra-efficient drilling. Can extend battery life on cordless drills by as much as 35%. Brad point and unique chamfered lead-in edge for smooth starts, fast cuts and smooth holes Produces minimal blowout on exit holes Induction hardened steel construction and precision ground cutting edges for durability and accuracy.