Professional 5/16in A/F hex key made from hardened chrome vanadium steel with chamfered edges for secure fastening.
The Faithfull Professional 5/16in A/F Hexagon Key is crafted from fully hardened chrome vanadium steel, ensuring exceptional strength and durability for demanding professional applications. Its precision-machined hexagonal profile provides a secure, slip-resistant fit in fasteners, reducing the risk of rounding off bolt heads.
Designed for extended use, this hex key features chamfered edges on all sizes 4mm (5/32in) and above to prevent damage to both the tool and your fittings. For easy identification, keys 3mm (1/8in) and larger are marked with their size, streamlining your workflow. The compact size and corrosion-resistant steel construction make it ideal for mechanics, engineers, and DIY enthusiasts alike.
Key Features:
Free standard shipping on U.S. mainland orders. Express shipping options and international shipping available at checkout.
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