This listing is for one (1) new - 1.3mm (M1.3) Metric Short Arm Hex Key / Allen Wrench.

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 !!