Ball Head Design ---The hex key set has a spherical end profile that allows you to work at an angle of up to 30 . Even if an incomplete socket head screw is used, this can ensure the best contact surface in the screw head. . Multiple Models ---The base of the hex socket wrench set clearly marked the model number: 10, 8, 6, 5, 4, 3, 2.5, 1.5. To meet your tooling needs. . Strong and Sturdy ---Nickel surface treatment, corrosion resistance, stable leisure and work equipment, suitable for professional and manual repair, etc. . With Plastic Seat ---The practical fixing clip is made of wear-resistant plastic, which can be fixed permanently and firmly and is easy to disassemble. . Versatile ---It is very suitable for installing towel rails, tightening door handles, repairing bicycles (especially parts of various front wheels and tires), and installing furniture, etc. . .