7 Piece, SDS-Plus, Shank Bit Assorted, Includes The Following Bits: HC2010, HC2040, HC2041(2), HC2051, HC2061 & HC2081, Also Comes With A Rugged Metal Index Case, Up To 25% Faster Driling & 25% Longer Life Than Competitior Bits, 4-Flute Design Technology Reduces Friction & Increases Debris Removal, Also Has A Corrosion Resistant Coating.