Features Securely Fasten Screen Frames: Wide-wing thumbscrew securely fastens the clamp to the screen frame, ensuring stability during the printing process. Convenient Tabletop or Work Use: Use these clamps to easily secure your screen frame to a table or work, providing a stable and reliable printing setup. Perfect Registration: These clamps feature positive locking, allowing for precise and accurate registration of the screen frame, resulting in high-quality prints. Easy Installation: The clamps are easy to install, saving you time and effort in setting up your screen printing station. Durable and Reliable: Made of stainless steel with color-plated zinc treatment, these clamps are built to last, providing long-lasting performance for your silk screen printing projects. Features: This screen printing hinge clamps is used for fixing screen frame when it is printing Feature a wide-wing thumbscrew for firmly fastening the clamp to the frame. Use to secure your screen frame to a table or work surface. These clamps also feature positive locking for perfect registration. Easy to install and positive locking for perfect registration. Specification: Material: Stainless Steel Weight: 401g Quantity: 2pcs Color: Silver Surface Treatment: Color-plated zinc Size: 85*85*60mm/3.3*3.3*2.4in Package Includes: 1 pair x Butterfly Hinge Clamp Note: 1. Please allow 1-3mm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. Package List