General description This set includes high-quality Draper Expert HI-TORQ® deep offset metric ring spanners, designed for professional and DIY use. The spanners feature cranked ring ends at a 15° angle, providing better access in tight spaces. Some models have bi-hexagon ends for enhanced grip and durability. Made from forged chrome vanadium steel, these tools are hardened, tempered, chrome plated, and fully polished for corrosion resistance and a smooth finish. They are suitable for a variety of mechanical and home improvement tasks. Technical specifications Material: Chrome vanadium steel Finish: Chrome plated and polished Design: Cranked ring ends at 15°, with some models featuring bi-hexagon ends Sizes: Ranges from 6 x 7 mm to 20 x 22 mm Standards: Generally conform to DIN 838 specifications Compatibility and accessories Compatible with standard metric fasteners and nuts Designed to work with compatible ratchets and extension bars Installation No installation required; tools are