The Greenlee 7235BB Slug-Buster Manual Knockout Set is a high-quality hand tool designed for precision punching and knocking out of materials. Made in the United States, this set includes various sizes ranging from 1/2" to 1-1/4" to accommodate a range of projects. With the Greenlee brand known for its durability and reliability, this knockout set is a valuable addition to any business or industrial setting needing accurate and reliable punching results.