This 9 piece metric hex key set contains 9 L-wrenches supplied in a plastic wallet. Eash key is manufactured from fully hardened carbon steel in accordance with DIN 911 ensuring a quality ductile key with precision square cut ends and accurate metric dimensions to ensure full socket contact. With a black finish. Features and Benefits • Manufactured from fully hardened carbon steel • One long arm and another short allows you to operate in confined spaces • 9 piece set is comprehensive and helps to make sure you have the correct size key to hand Typical Applications • Furniture Assembly • Bike Repairs Standards • Conforms to DIN 911