8 Piece, 6", Spade Bit Kit, Includes: 6" Universal Quik-Lok All Hex Extension, 6" Flat Boring Bits: 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8" & Case, For Boring Holes In Clean Wood, Double Wing Spurs Reduce Vibration While Creating Easy Hole Formation, Patented Cutting Edge For Easier & Faster Wood Boring Over Conventional Models, Clamshell Packaging.