The Stahlwille Double ended ring Spanner STARTER is a high-quality hand tool made in Germany. This double-ended spanner features a half-moon design, making it versatile for a variety of applications. With one end sized 1/2 inch and the other 7/16 inch, this tool is perfect for working on a wide range of nuts and bolts. The Stahlwille brand is known for producing durable and reliable tools, making this ring spanner a valuable addition to any workshop or tool collection.