Description This professional-quality deep crank metric ring spanner is designed for durability and precision. Made from hardened and tempered chrome vanadium steel, it offers excellent strength and corrosion resistance. The spanner features accurately broached ring ends with chamfered bi-hexagon profiles for easy nut engagement. The ring ends are offset at 45° to facilitate access in tight spaces. Suitable for various home improvement and DIY tasks, it is sold individually. Technical Specifications Size: 21x23mm Material: Chrome vanadium steel Finish: Chrome plated for corrosion protection Standards: Manufactured according to DIN 838 / ISO 3318 Compatibility and Accessories Compatible with nuts and bolts of 21mm and 23mm sizes Designed for use with standard ratchets or spanners Installation No installation required; simply use the spanner to tighten or loosen nuts and bolts Usage Use for tightening or loosening nuts and bolts in various DIY and home improvement projects Ideal for