1.Alloy steel allen hexagon key wrench
2. Size: Diameter is M1.6 M2 M2.5 M3 M4 M5 M6 M8 M10 , length is from 4mm--60mm
3. Material: Carbon Steel, Carbon steel; Chrome Vanadium
4. Standard: All standard is in stock, non-standard can made according to your requirment.
5. Certificate: ISO9001:2008, SGS, ROHS
We are factory, we could make the size as your requirment.