Features Versatile Screen Frame Fixing: Secure your screen frame effortlessly with these stainless steel butterfly frame hinge clamps, ensuring stable and hassle-free silk screen printing. Wide-Wing Thumbscrew Design: The wide-wing thumbscrew feature enables a firm and secure fastening of the clamp to the frame, providing stability and ease of use during the printing process. Secure Work Attachment: Use these clamps to firmly secure your screen frame to a table or work , allowing for a steady and reliable printing setup. Precise Positive Locking: Enjoy perfect registration with the clamps' positive locking feature, ensuring accurate and consistent printing results. Easy Installation and Locking: These clamps are easy to install and offer positive locking for perfect registration, making the printing process straightforward and efficient. Specification: Material: Stainless Steel Weight: 401g Quantity: 2pcs Color: Silver 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