This is an ideal tool for professionals or DIY enthusiasts for industrial and home use. Unique ball design allows the key to work at up to 30 degree angle tilted. It is perfect for blind and hard to reach locations. Technicians & professionals use it in various industry applications. Includes the most common hex wrench sizes to remove and install most socket cap screws found in cars, furniture and various equipments. Coated and oiled for rust prevention. This wrench set is ideal for garage workshop, toolbox, metal workers, mechanics and more.