This 12mm x 13mm Elora Deep Crank Metric Ring Spanner covers two of the most frequently used metric fastener sizes in automotive and mechanical engineering. The 12mm and 13mm sizes are particularly common in vehicle suspension, brake systems and engine bay applications, making this an indispensable workshop tool. Constructed from hardened and tempered chrome vanadium steel with a protective chrome plated finish, this professional spanner delivers excellent durability and corrosion resistance. The bi-hexagon ring profiles provide secure engagement whilst reducing the risk of fastener rounding, and the 45° offset improves working access. Features and Benefits:12mm x 13mm sizing covers highly popular metric fastenersChrome vanadium steel hardened, tempered and chrome platedRing ends offset at 45° for enhanced access Contents:1 x Elora Deep Crank Metric Ring Spanner, 12 x 13mm