General description This 11 Piece Combination Spanner Set from Blue Spot is designed for durability and performance. It includes a range of sizes suitable for various applications, making it an essential tool for both professionals and DIY enthusiasts. Technical specifications Material: Chrome vanadium steel Finish: Fully mirror polished and nickel chrome plated Sizes included: 6, 7, 8, 9, 10, 12, 13, 14, 15, 17, and 19mm Hardness: HRC39 Compatibility and accessories Supplied in a durable plastic carrying/storage case Arranged in size order for easy access