General description This is a high-quality Draper Expert Hi-Torq® deep offset metric ring spanner set designed for professional and DIY use. Crafted from chrome vanadium steel, these spanners are forged, hardened, tempered, chrome plated, and fully polished for durability and corrosion resistance. The set features Draper Expert HI-TORQ® ring ends cranked at 15°, providing better access to fasteners in tight spaces. Some models have bi-hexagon ends for enhanced grip and torque. Technical specifications Material: Chrome vanadium steel Finish: Chrome plated and polished Design: Long pattern forged for strength and reach End type: Cranked at 15°, with some models featuring bi-hexagon ends Standards: Generally conform to DIN 838 specifications Sizes: Various, including 7-20mm and 22mm options Compatibility and accessories Compatible with standard metric fasteners Designed to work with compatible sockets and extensions Installation No installation required; these are hand tools used