Drive-Loc VI Interchangeable Blade Set, 33 Piece. Includes: Slotted 3.5+4.5, 5.5+6.5mm, Slotted+Phillips 3.0mm+#0, 4.0mm+#1, 6.0mm+#2 , Security Torx T6s+T8s, T7s+T9s, T10s+T15s, T20s+T25s, T30s+T40s, Hex Inch 3/32+7/64, 1/8+9/64, 5/32+3/16", Hex Metric 2.0+2.5, 3.0+4.0, 5.0+6.0mm, Inch Nut Drivers 1/4, 9/32, 5/16, 11/32, 3/8, 7/16, 1/2", Metric Nut Drivers 5.5, 6.0, 7.0, 8.0, 9.0, 10.0, 11.0mm, MicroFinish Non Slip Grip Handle & SoftFinish® cushion grip handle. Blade high alloy chrome-vanadium-molybdenum steel, through hardened, hard chrome finish. In molded tray, 20" x 11.5" x 2".