Bit Set, No. of Pieces 19, Hex Shank Size 1/4 in, Fastening Tool Material Steel, Hand, Includes Phillips #1 3-1/2 in, 6 in, #2 3-1/2 in, 6 in Slotted 3/16 in, 1/4 in, 3-1/2 in, 6 in, Square #1 3-1/2 in, 6 in, #2 3-1/2 in, 6 in, Slotted 3/16 in, 1/4 in, 6 in, Nut Driver 11/32 in, 7/16 in, 5/16 in, 3/16 in, 3/8 in, 1/4 in, 1/2 in, 6 in