[Perfect Registration]: Features positive locking mechanism for accurate alignment and registration of prints. [Versatile Use]: Easily secures screen frames to tables or work surfaces, offering secure and precise positioning. [Secure Fastening]: Wide-wing thumbscrew ensures firm attachment to the frame, providing stability during printing. [Sturdy Construction]: Made from Metal for durability and reliability in silk screen printing applications. [Easy Installation]: Simple to install and use, enhancing efficiency in your silk screen printing projects., Weight: 0.8928721611 Pounds, Manufacturer: Kopinma