General Description This is a high-quality double open-end spanner designed for professional use. It is forged from hardened chrome vanadium steel, ensuring durability and strength. The spanner features precise face openings and an offset jaw angle for better access to fasteners. It is suitable for various DIY and home improvement tasks requiring reliable tools. Technical Specifications Size: 9/16 inch x 5/8 inch Material: Chrome vanadium steel, hardened and tempered Finish: Chrome plated for corrosion resistance Manufactured according to DIN 3110, ISO 3318, and ISO 1085 standards Compatibility and Accessories Compatible with standard fasteners requiring 9/16 inch and 5/8 inch openings Sold individually; no additional accessories included Installation No installation required; this is a hand tool designed for manual use Usage Use the open ends to tighten or loosen nuts and bolts of the specified sizes Apply force evenly to avoid damaging fasteners or the tool Ideal for professional