This Proto J3426 1/2″ x 9/16″ Extra Thin Satin Open-End Wrench is a versatile tool for many jobs. It has a satin finish and alloy steel construction, which makes it durable and long lasting. With a thin head design, the wrench provides you with increased access to restricted areas. The alloy steel construction makes this open end wrench strong and sturdy. You can easily slide the wrench into position without having to reposition it when using the box end of the tool. This one piece handle gives you excellent control while working on projects. If you are looking for an extra thin open end wrench that will last, this Proto J3426 1/2″ x 9/16″ Extra Thin Satin Open End Wrench is the perfect choice for your needs.