Manufactured from chrome vanadium steel that's hardened and tempered then applied with a chemically blacked protective finish and chamfered ends. SpecificationsTypeMetric Hexagon Keys. We are based in the UK and all electrical items that require a plug are shipped with a 3 pin UK plug unless otherwise stated. Images shown are for demonstration purposes. Product will match description but may vary from images shown. For any concerns about how a product looks please contact us before ordering.