Chrome vanadium screwdriver bit set. Includes Phillips: PH000, PH00, PH0, PH1; slotted 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0; Pozidriv: PZ0, PZ1; Trx T4, T5, T6, T7, T8, T9, T10, T15, T20; Hex 0.7, 0.9, 1.3, 1.5, 2.0, 2.5, 3.0, 4.0. Easy-grip handle and extension bit holder. Supplied in a durable plastic case.