Allen Key1.Size: T6,T8,T9,T10,T15,T20,T27,T30.

2.Made of high quality S2 alloy steel.

3.Hardness HRC60°±2°,Torque high 20% than Cr-V.

4.Surface: Red treatment, beautiful and durable.

5.Chamfer end easy to inset screw cap.

Allen Key