GreatNeck 28032 Metric Hex Bit Set, 3/8-Inch Drive, 20-Piece 3/8-Inch drive 1/4-Inch shank adaptor Hex: 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 7mm and 8 mm Phillips: #1, #2 and #3; slotted: 8, 10 and 12; square: #1, #2 and #4 Chrome vanadium steel for strength and durability Comes with a heavy duty rubber grip case