General description This is a professional-quality double open-end spanner designed for precise and reliable use. It features forged chrome vanadium steel construction, which is hardened and tempered for durability and strength. The tool is chrome plated to provide corrosion resistance. The jaws have accurate face openings and are offset at 15°, allowing for better access to fasteners in tight spaces. Suitable for various mechanical and DIY applications. Technical specifications Size: 4mm x 5mm Material: Chrome vanadium steel Finish: Chrome plated for corrosion protection Manufacturing standards: DIN 3110 / ISO 3318 / ISO 1085 Compatibility and accessories Compatible with standard metric fasteners Sold individually, no additional accessories included Installation No installation required; ready to use out of the box Usage Use for tightening or loosening nuts and bolts Ideal for professional mechanics and DIY enthusiasts Other information Manufactured to high standards for durability