Black+Decker 71-536 General-Purpose Spade Bit Set, Steel, Metallic, 13-Piece

General-purpose wood drilling, fits most major brands. Includes one 1/4 in, 5/16 in, 3/8 in, 1/2 in, 9/16 in, 5/8 in, 3/4 in, 7/8 in, 1 in, 1-1/8 in, 1-1/4 in, 1-3/8 in, 1-1/2 in and storage pouch.