Rosfix Screwdriver Bit Set 5-13mm, 1/4 inch, 9 pieces. The Rosfix 5-13mm bit set with 1/4 inch insulation is a versatile tool that satisfies both amateurs and professionals. Although it contains fewer bits compared to larger sets, these 9 different sizes are valuable tools for various tasks. These small yet powerful bits are exceptionally crafted, making them durable and reliable. They perfectly fit torque wrenches and screwdrivers, offering ease and comfort during use. The sizes range from 5mm to 13mm, allowing flexibility in working with different types of screws and nuts. From small and fine to larger ones requiring a stronger grip, these bits cover a wide range of applications. Don't let their number fool you, as each one is ready to meet any challenge. The 5mm and 6mm sizes are ideal for more precise and intricate work.