- Generally Conforming to IS 3082-1988.
- Brown allen keys are made from special grade alloy steel.
- Higher hardness of 57 to 62 HRC.
- Higher wear resistance as compared to CrV steel Allen Keys.
| Item Code | Color |
| AK-4 | Brown |
| AK-5 | Brown |
| AK-6 | Brown |
| AK-10 | Brown |
| AK-14 | Brown |
