A Single Open End Spanner is a type of hand tool used for tightening or loosening nuts, bolts, and other fasteners. This has a simple design, making it easy to use and very versatile for a wide variety of tasks. It features a simple, open-end design that makes it easy to apply force to nuts and bolts in tight or confined spaces. These wrenches are very much used in general vehicle maintenance and repair, including tightening and loosening bolts and nuts on the engine, exhaust system, or suspension. Single Open End Spanner is one of the all-purpose and essential hand tools in any toolbox.