Product Dimensions:15 x 15 x 8 cm; 410 Grams Colour:As show Country Produced In:China Size:Medium Item Weight:410 g Specification: Material: Metal 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. Feature a wide-wing thumbscrew for firmly fastening the clamp to the frame. This screen printing hinge clamps is used for fixing screen frame when it is printing Use to secure your screen frame to a table or work surface. Easy to install and positive locking for perfect registration. These clamps also feature positive locking for perfect registration. See more product details Feature a wide-wing thumbscrew for firmly fastening the clamp to the frame. This screen printing hinge clamps is used for fixing screen frame when it is printing Use to secure your screen frame to a table or work surface. Easy to install and positive locking for perfect registration. These clamps also feature positive locking for perfect registration.