This tool set is a perfect helper for your daily work or daily use. A verity of sleeve High strength impact grade steel sockets. Premium black oxide finish provides maximum protection from rust and corrosion. 
With a storage box, each item can be neatly stored in the box, not easy to lose and easy to carry and store.
The combination of different specifications can meet your different needs, without a one purchase, saving you time and money.
The hexagon interface is adopted, and the concave grooves design has a larger contact surface, which is more non-slip, and has a better sense of use.
Equipped with anti-drop bolt hole and rubber band grooves design, it is safer to use.
Enhance Stable Design — Concave 6-point hex socket design grips the flat sides of fasteners, not just the corners, preventing round-off deterioration under high torque and hammering stress when used with impact and electric wrenches against fasteners.