Works well except I can't get it to go down the last three quarters of an inch. The Horton 190 screw jack is a high-quality machining tool produced by the well-known brand Horton. This product is designed to provide precise and efficient screw jacking capabilities, making it a valuable addition to any workshop or collection of tools. With its durable construction and reliable performance, the Horton 190 screw jack is sure to be a trusted companion for any machining enthusiast.