【Common Models】This nut driver set includes 14 different sizes of nut drivers and an L-shaped manual wrench. It contains the following sizes: 3/16, 1/4, 9/32, 5/16, 11/32, 3/8, 7/16, 5mm, 5.5mm, 6mm, 7mm, 8mm, 10mm, and 12mm. It meets your everyday working needs. 【High-Quality Cr-V Steel Material】Crafted from durable Cr-V material, this nut driver set effortlessly handles even the most stubborn nuts, preventing breakage during use and eliminating safety concerns. Its extended lifespan ensures long-term reliability. Rejecting superficial paint embellishments, it stands as a testament to authentic, enduring quality. A nut driver set that can last a lifetime. 【Universal Drill Driver Set】This set is designed for easy storage and portability, making it a must-have for various applications. It finds extensive use in household DIY projects, automotive tasks, woodworking, and professional equipment repairs, among others. Essential sizes include 7/16 nut driver, 1/4 nut driver, and 5/16 nut driver. The storage clip of this nut driver set features clear size labels, allowing for quick identification of the required size during use. This prevents the need to spend a significant amount of time searching for the appropriate driver. After use, simply store them back in the storage bag for better preservation, ensuring prolonged and effective use. If you intend to work on mechanical repairs, construction, manufacturing, or woodworking, it is advisable not to rely solely on manual tools. A nut driver bit set will make your work much easier and more efficient. Magnetic nut driver set, 17pcs 65mm hex bit set_A Set That Meets All Tasks and Has Complete Dimensions. contain 100mm Quick-release Extensions, 7/16-9/16-1/4-5/16 nut driver in Strong magnetic