The Blue Spot Tools 9 PCE Metric Combination Spanner Set (8-19mm) is manufactured from chrome vanadium, heat treated and nickel plated for increased durability. Includes carrying case for quick and convenient storage. The spanners have a fully polished mirror finish and the set includes the following sizes: 8, 9, 10, 11, 12, 13, 14, 17 & 19mm. This set is a must-have for any tool enthusiast or professional. Crafted from durable chrome vanadium steel, these spanners offer exceptional strength and resistance to wear, ensuring long-lasting performance.