General description The Faithfull Imperial Folding Ball End Hexagon Key Set includes nine ball end imperial keys ranging from 5/64 inch to 1/4 inch. These compact, short-arm tools are made from fully hardened chrome vanadium steel, ensuring professional quality and durability. The keys feature chamfered edges to prevent damage during use and allow operation at angles up to 25 degrees, making them ideal for accessing tight or awkward spaces. This set is perfect for both DIY enthusiasts and professionals seeking reliable and versatile hex keys. Technical specifications Number of pieces: 9 Material: Chrome vanadium steel Type: Folding, short arm with ball end Sizes: 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4" AF Design features: Chamfered edges on keys from 1/8" and above Compatibility and accessories Compatible with standard hex fittings and fasteners requiring imperial sizes Includes a soft-grip storage case for organization and portability Installation No installation