General description This deep crank ring spanner is made from hardened chrome vanadium steel, ensuring durability and strength. It is designed for professional use in various mechanical and maintenance tasks, providing reliable performance for tightening and loosening nuts and bolts. Technical specifications Size: 1.7/16 inches x 1.5/8 inches Material: Chrome vanadium steel, hardened and tempered Finish: Chrome plated for corrosion resistance Standards: Manufactured according to DIN 838 and ISO 3318 specifications Compatibility and accessories Compatible with nuts and bolts that match the specified sizes Sold individually; no additional accessories included Installation No installation required; simply use the spanner to tighten or loosen fasteners Usage Designed for professional and DIY applications involving nuts and bolts Features offset at 45° for better access in tight spaces Other information Manufactured with precision broached ring ends with chamfered bi-hexagon profiles for