Description This is a professional-grade open-end spanner designed for precise and reliable use. It features forged chrome vanadium steel construction that is hardened, tempered, and chrome plated to resist corrosion. The jaws have accurate face openings and are offset at 15°, providing a secure grip on fasteners. This spanner is suitable for various DIY and home improvement tasks and is sold individually. Technical Specifications Size: 5/16 x 3/8 inch Material: Chrome vanadium steel Finish: Chrome plated for corrosion resistance Manufacturing standards: DIN 3110, ISO 3318, ISO 1085 Jaw opening accuracy: Precise face openings Offset angle: 15° Compatibility and Accessories Compatible with standard fasteners and nuts within the size range Sold individually; no additional accessories included Installation No installation required; ready to use out of the box Usage Use to tighten or loosen nuts and bolts Ideal for professional and DIY projects requiring reliable gripping Other