SYSTEM 4 Master Tech ESD Safe Micro Bit Set, 68 Piece. Includes: Slotted .8, 1.2, 1.5, 1.8, 2.0, 2.5, 3.0, 3.5, 4.0mm, Phillips #000, #00, #0, #1, #2, Torx® T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T15, T20, Hex Inch .050, 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32", Hex Metric .7, .9, 1.3, 1.5, 2.0, 2.5, 3.0, 4.0mm, Nut Driver Inch 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32", Nut Driver Metric 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5mm, Pentalobe PL1, PL2, PL3, PL4, PL5, PL6, 100mm Bit Extension, Magnetic 1/4" to 4mm Adapter, ESD Safe Precision Handle & Micro Bit Storage Handle. Bits made of Chrome-vanadium-molybdenum steel. ESD Safe Precision static dissipative handle. Micro Bit storage handle holds bits in the handle. Includes magnetic strip base for hanging and Zipper storage case.