This 12 piece imperial set of combination spanners are manufactured from chrome vanadium steel with a satin finish body and highly polished heads. 15° open jaw angle to shank and ring end offset, supplied in a wallet for organisation. Features and Benefits • Manufactured from chrome vanadium steel for durability • 15° open jaw angle to shank making turning easier • Ring end offset makes the spanner multi-purpose • 12 piece set ensures you have an array of sizes for multiple applications Typical Applications • Automotive • DIY • Plumbing • Engineering Standards • 1/4 inch - 1 inch conforms to DIN 3113 • 11/16 inch - 2 inch conforms to ASME B107.6