General description This is a set of professional-grade deep crank metric ring spanners designed for durability and precision. Made from chrome vanadium steel, these tools are hardened, tempered, and chrome plated to resist corrosion. The ring ends are accurately broached with chamfered bi-hexagon profiles for easy nut engagement and are offset at 45°, providing better access in tight spaces. Suitable for various mechanical and home improvement tasks. Technical specifications Size: 46x50mm Material: Chrome vanadium steel Finish: Chrome plated for corrosion resistance Standards: Manufactured according to DIN 838 / ISO 3318 Compatibility and accessories Compatible with standard nuts and bolts matching the metric sizes Sold individually; no additional accessories included Installation No installation required; these are hand tools used directly on fasteners Usage Use these spanners to tighten or loosen nuts and bolts in hard-to-reach areas Ideal for professional mechanics and DIY