Sirius Long Hexagon Allen Key Metric

This Sirius Long Hexagon Allen Key is sized at 12mm, a robust metric size commonly encountered in heavy engineering, automotive assembly, and industrial machinery where larger socket head cap screws and bolts are in use. Manufactured from alloy steel, this key is designed to withstand the considerable torque required for larger fasteners while maintaining its shape and accuracy over time. The long arm provides excellent leverage, reducing the physical effort needed to tighten or loosen stubborn fixings.