The Fuhr 11-Piece Allen Key Set features long-series hexagon keys ranging from 1/16 to 1/2 inch, manufactured from chrome-vanadium-molybdenum steel (59CrMoV4) for superior strength and durability. Each key is finished in black and supplied in a convenient wallet for easy portability and organisation on site. Ideal for electricians, mechanical engineers, and maintenance technicians who require a complete set of imperial-sized hex keys for panel assembly, equipment installation, and general maintenance work.