1、VERSATILE SET: This 8 piece set includes bits for 1/2 inch, 1/4 inch, and 3/8 inch sizes, ensuring compatibility with a wide range of screws and nuts. Perfect for various tasks and projects, offering convenience and efficiency. 2、IRON CONSTRUCTION: Crafted from iron material, these bits are built to withstand heavy duty use, providing durability and longevity. The iron construction ensures reliable performance for all your work needs. 3、ACCURATE ENGINEERED: Each bit in this set undergoes meticulous machining and quality control, providing accurate dimension and seamless compatibility. Effortlessly tackle any project with these accurate and reliable bits. 4、PORTABLE AND COMPACT: Designed with a convenient clamp, this bit set is perfect for on the go professionals and DIY enthusiasts. The compact size and secure storage ensure easy transportation and accessibility whenever you need it. 5、WIDE RANGE OF APPLICATIONS: From automotive repairs to home renovations, machinery maintenance to DIY projects, this versatile socket set covers all bases. It is a must have tool for professionals and DIYers alike, delivering exceptional performance and versatility. Item Type: Hex bit set Material: Iron Weight: Approx. 447g / 15.8oz Compatible: 3 x 1/4in Bit Socket 37L: M4, M5, M6 3 x 3/8in Bit Socket 48L: M8, M10 2 x 1/2in Bit Socket 55L: for M14, for M16 8 x Hex Bit 1 x Rail