Available in a range of sizes (8mm-19mm), these combination spanners are made of chrome vanadium steel and have an innovative ratcheting open-end design. The 72-teeth ratcheting system needs only 5° movement to operate ratchet and the spanners. Ideal for use in confined spaces. The chrome plated mirror finish prevents oil and dirt from adhering to the tool, making it easier to clean and preventing rust. _x000D_ _x000D_ _x000D_ Features and Benefits_x000D_ 72 teeth ratcheting system needs only 5° of movement to operate and engage with fasteners_x000D_ Chrome plated mirror finish repels dirt, grease and grime and makes for easier cleaning of your tool_x000D_ Manufactured from chrome vanadium steel for durability and corrosion resistances_x000D_ Available in a variety of metric sizes to suit your needs_x000D_ All models possess one open and one ring for versatility of use_x000D_ _x000D_ _x000D_ Typical Applications_x000D_ Automotive_x000D_ Engineering_x000D_ Construction_x000D_ DIY_x000D_ _x000D_ _x000D_ Standards_x000D_ ASME B107.100-2010