General description This is a 19-piece coloured screwdriver bit set designed for professional and DIY use. The bits are made from high-quality S2 steel, hardened and tempered for durability. Each bit measures 25mm in length and features a satin chrome finish for corrosion resistance. The bits are attached with a colored plastic ring for easy identification. The set includes a magnetic bit holder with a quick-release collet for efficient bit changing, all stored in a convenient case that provides easy access and organization. Technical specifications Number of pieces: 19 Bit length: 25mm Material: S2 steel, hardened and tempered Finish: Satin chrome Bit types included: Flat (slot), Phillips (PZ), Hex, and Torx (STAR) Bit sizes: Slot 3, 4.5, 5.5, 6mm; PZ No.1, No.2, No.3; Hex 3, 4, 5, 6mm; Torx T10, T15, T20, T25, T27, T30, T40 Compatibility and accessories Compatible with standard 1/4" drive tools and screwdrivers Includes a magnetic bit holder with quick-release collet Supplied with a