Features: The 13PCS Magnetic Nut Driver Set is crafted for accuracy and efficiency, featuring strong magnetic tip that ensure secure fastening and easy removal of hex bolts, tapping screws, and nut, even when rusted. Crafted from high quality 40CR steel, this set boasts a hex shanks, providing durability and compatibility with most power tool, ensuring high performances without slipping. Ideal for professional repair technicians, DIY enthusiasts, electricians, carpenter, and anyone in need of functional tool solution, this nut driver set caters to a wide ranges of users. Perfect for both home repairs like furniture assembly and appliance fixing, as well as professional environment such as workshops and construction site, this set adapt to various tasks with ease. With ten different size and three quick releases extension rod, this comprehensive drill bit set enhances your toolkit, making it a indispensable addition for tackling any project with confidence. Specifications: Component:40Cr Steel Size:As Shown in the Picture Package Includes: 13PCS Magnetic Nut Driver Set note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the differences between different monitors, the picture may not reflect the actual color. Thanks!