The Wiha Nut Driver &Bit Set, 40 Piece, can be used to simply carry out fastenings in a single step. All of the nut driver inserts are made from high quality chrome vanadium steel with a corrosion-resistant, easy to clean surface. Contains the following: 13 x 1/4in Hex Nut Driver Inserts: 4.0, 4.5, 5.0, 5.5, 6.0, 7.0, 8.0, 9.0, 10, 11, 12, 13 &14mm. 1 x 1/4in Switchable Ratchet Wrench 128mm. 2 x 1/4in Extensions: 75 &150mm. 1 x 1/4in Universal Joint with Ball Internal Square/Square Head. 3 x 25mm Standard Slotted Bits: 4.5, 5.5 &6.5mm. 2 x 25mm Standard Phillips Bits: PH1 &PH2. 3 x 25mm Standard Pozidriv Bits: PZ1, PZ2 &PZ3. 7 x 25mm Standard TORX® Bits: T10, T15, T20, T25, T27, T30 &T40. 4 x 25mm Standard Hexagon Bits: 3.0, 4.0, 5.0 &6.0mm. 1 x Magnetic CentroFix Force Bit Holder 60mm. 1 x Magnetic SoftFinish®Screwdriver with Bit Holder 112mm. 1 x 1/4in Tool Shaft with Ball Square/Internal Hexagon. 1 x Multifunctional Bag with Belt Clip keeps all tools securely arranged. Easily hooks on to work trousers thanks to the high quality clip holder.