The Stanley 300mm Metal Adjustable Spanner is the largest model in the range, engineered for maximum capacity and leverage when tackling the most demanding fastening applications. This 300mm wrench is the professional's choice for heavy industrial work, large-scale machinery maintenance, and any task involving substantial fasteners that require significant torque. Designed with parallel jaws set at a 15° angle, this wrench delivers exceptional grip and reach for larger nuts and bolts. The jaws feature both metric and imperial scales, ensuring compatibility with all fastener types. The extended 300mm length provides maximum leverage for the toughest jobs, whilst the integrated hanging hole allows secure lanyard attachment, making it safe for use at height on construction sites and industrial facilities. Features and Benefits:300mm length - maximum capacity for largest fasteners15° angled parallel jaws ensure firm grip on substantial fixingsDual metric and imperial scales for co