General description This is a deep crank metric ring spanner designed for professional use, featuring a long series for better reach and leverage. Made from hardened chrome vanadium steel, it offers durability and corrosion resistance. The ring ends are accurately broached with chamfered bi-hexagon profiles for easy nut engagement and are offset at 45°, facilitating access to tight spaces. Technical specifications Material: Hardened chrome vanadium steel Dimensions: 8mm x 9mm Type: Deep crank ring spanner Manufacturing standards: DIN 838 / ISO 3318 Finish: Chrome plated for corrosion protection Compatibility and accessories Compatible with standard nuts and bolts matching the 8mm and 9mm sizes Sold individually; no additional accessories included Installation No installation required; this is a hand tool used directly for tightening or loosening nuts and bolts Usage Designed for professional and DIY applications involving nuts and bolts of 8mm and 9mm sizes Ideal for working in tight