Standard Pack = 1 piece(s). 8-In-1 Pen Style Control Cabinet Key. Includes: Square 5.0, 6.0, 7.0, 8.0mm, Triangular 9mm, Double Bit Key 5mm/Internal, 9mm/External, Universal 1/4 IN Bit Adapter, Magnetic Bit Holder & 2 Double Insert Bits: Slotted 7.0mm + Phillips #2 & Torx T20+T25. For applications with all common switch cabinets and locking systems.