Five (5) new - 0.9mm (M0.9) Metric Short Arm Hex Keys / Allen Wrenches.

Complies with highest ANSI / ASMEb18.3.2m Standards for strength and Dimensions. Perfect for Class 12.9 cap screws!!

Black Alloy Steel - Made from heat treated alloy steel. Best for applications where extreme strength and hardness are required.

Min. Tensile Strength (MPa): 1200