The Faithfull FAIHK40MLA is a 4mm long arm hexagon key, representing a highly versatile size suitable for a wide range of applications. This popular configuration is frequently used in bicycle maintenance, small machinery, domestic appliances, and general engineering tasks. The 4mm size bridges precision and general-purpose work, whilst the long arm design provides excellent leverage and access to recessed fixings. Manufactured from fully hardened chrome vanadium steel, this key offers exceptional durability and consistent performance. As a 4mm key, it features chamfered edges that prevent damage to both the fitting and the tool during use, extending service life and maintaining accuracy. The extended arm length improves control and reduces effort when working with tight or hard-to-reach socket screws. Clear size marking ensures rapid selection from your tool collection. Features and Benefits: • 4mm metric size for versatile general applications • Fully hardened chrome vanadium construction for reliable durability • Chamfered edges protect fittings and tool from damage • Long arm design provides enhanced leverage and reach • Size-marked for quick identification in busy workshops Specifications: Key Type: Long Arm Size (mm): 4 Length: 106mm. Type: Long arm.
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