... card 4, Best price Detailed Product DescriptionBlack & Decker 14-Piece Spade Bit Set Key Features Quick Connect shank Range of ... Spade Bit Sizes from 1/4 to 1-1/4 (6mm ... to 8mm) Black & Decker 14-Piece Spade Bit Set Key FeaturesQuick Connect shank Range of Spade Bit Sizes from 1/4" to ... )1/4”,5/16”,3/8”,7/16”,1/2”,9/16”,5/8”,11/16”,3/4”,13/16”,7 ...