This 9 piece set of Imperial-sized ToolPro hex keys will make sure you have a sturdy and correctly-sized hex key when you need it. The sizes included are 1/6, 5/64, 3/32, 1/8, 5/32, 3/16, 1/4, 5/16 and 3/8.
How easy is it to use?
The hex keys in this set are forged from chrome vanadium steel with chamfered ball point heads and have been heat-treated for hardness, ensuring strength and reliability. They have also been given a slip-resistant finish for improved grip, allowing you to put more torque on the key.