Crafted from 40CR steel, this set boasts a hexagonal shanks, providing durability and compatibility with most power tool, ensuring high without slipping Ideal for professional repair technicians, craft enthusiasts, electricians, carpenter, and anyone in need of functional tool solution, this nut driver set caters to a wide ranges of users With ten different size and three quick releases extension rod, this comprehensive drill bit set enhances your toolkit, making it a essential addition for tackling any project with confidence 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 The 13PCS Nut Driver Set is crafted for accuracy and efficiency, featuring strong tip that ensures secure fastening and easy removal of hexagonal bolts, tapping screws, and nut, even when rusted, Manufacturer: Tsophreniq