Faithfull Hexagon Key 3/8In A/F

The Faithfull 3/8" AF Hexagon Allen Key is a robust tool ideal for medium to heavy-duty fastening applications across automotive repair, machinery maintenance, and general engineering work. This popular size offers an excellent balance of strength and manoeuvrability, making it suitable for a diverse range of professional fastening tasks where reliable torque application is essential. Manufactured from fully hardened chrome vanadium steel, this key provides professional quality performance and exceptional longevity. The 3/8" size features chamfered edges that protect both the tool blade and fastener fittings during use, preventing damage that can compromise fastening integrity. Clear size markings stamped on the key ensure quick identification, improving efficiency when working across multiple fastener sizes. Features and Benefits: • 3/8" AF size for medium to heavy-duty work • Fully hardened chrome vanadium steel construction • Chamfered edges protect blade and fittings • Clear size m