Way Tools Hex Metric Bit Set, 6 pc features a 1/4 inch hex shank designed to fit all standard bit holders and hand-held drivers. This versatile set includes six essential metric hex bits in sizes 2.5mm, 3mm, 4mm, 5mm, 6mm, and 8mm, making it for a wide range of fastening tasks. Whether you are a professional or a DIY enthusiast, this bit set durability and convenience for your tool collection. Model Number: 86420