General Description This is a high-quality double open-end spanner designed for professional use. It features precise face openings and an offset jaw angle for better access to fasteners. Made from durable chrome vanadium steel, it offers strength, corrosion resistance, and reliability for various DIY and home improvement tasks. Technical Specifications Size: 1/4 inch x 5/16 inch Material: Chrome vanadium steel Finish: Chrome plated for corrosion protection Manufactured according to DIN 3110, ISO 3318, and ISO 1085 standards Jaw opening angles: 15° offset Compatibility and Accessories Suitable for use with standard fasteners requiring 1/4 inch and 5/16 inch sizes Sold individually; no additional accessories included Installation No installation required; simply select the appropriate size for your fastener Usage Use for tightening or loosening nuts and bolts Ideal for professional mechanics, DIY enthusiasts, and home improvement projects Ensure the jaw fits securely onto the fastener