General description This Expert Metric Hexagon Key Long Arm Set includes nine long hex keys designed for precise tightening and loosening of hex screws. Made from durable chrome vanadium steel, these tools are supplied in a compact, sturdy plastic case for easy storage and transport. Technical specifications Number of keys: 9 Sizes: 1.5 mm, 2 mm, 2.5 mm, 3 mm, 4 mm, 5 mm, 6 mm, 8 mm, 10 mm Material: Chrome vanadium steel, zinc-plated for corrosion resistance Weight: approximately 350 g Compatibility and accessories Compatible with standard hex screws and bolts Supplied with a plastic case for organization and portability Installation Insert the appropriate hex key size into the screw or bolt Use leverage for tightening or loosening as needed Usage Ideal for professional and DIY tasks involving hex fasteners Suitable for automotive, machinery, and home improvement projects