Wood Owl 6 Piece Set OverDrive Fast Boring Ultra Smooth Auger Brad Point Boring Bits Containing the Following Sizes 1/2&rdquo;, 5/8&rdquo;, 3/4&rdquo;, 7/8&rdquo;, 1&rdquo; and 1 1/4&rdquo; 00706 6 Pieces set with 1/2, 5/8, 3/4, 7/8, 1 and 1 1/4 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.