This Britool combination wrench is the perfect addition to your toolkit. Made with high-quality materials, it is durable and reliable for all your DIY and professional needs. The wrench is designed with a 12-point drive type and a size of 11/16in, making it ideal for specialty measurements. The RJ1100 model is a single item and part of the British Standard set, with a Whitworth measurement system. It is suitable for use in a range of industries and applications, including vehicle parts and accessories, garage equipment and tools, and hand tools. This wrench is a must-have for any handyman, mechanic or DIY enthusiast.