This deep crank ring spanner is forged from chrome vanadium steel, hardened and tempered, with a chrome-plated finish for corrosion resistance. Designed for professional use, it tightens and loosens nuts and bolts with reliability across mechanical and maintenance tasks. The tool features ring ends broached with chamfered bi-hexagon profiles to aid nut location, and an offset of 45° to improve access in tight spaces. It is sized for specified nuts and bolts and is sold individually, without additional accessories. The product adheres to DIN 838 and ISO 3318 specifications, ensuring precise fit and compatibility with standard fasteners.
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