These Hex Key Sets are zinc plated and made from hardened steel. All the Hex Keys come attached to an included keyring for easy storage. 

The hex keys come in a variety of sizes from 1.5mm to 6mm. 

Black Finish Sizes:

1.5mm,2.00mm,2.5mm,3.0mm,4.0mm,5.0mm,6.0mm

Silver Finish Sizes:

1.5mm,2.0mm,2.5mm,3.0mm,4.0mm,5.0mm,6.0mm

Each pack contains 14 individual keys.