Experience the unparalleled precision and flawless alignment with our remarkable Hinge Clamps. Crafted from durable, rust-resistant cast aluminum, these ingenious clamps boast wide-wing thumbscrews that effortlessly secure the clamp to the frame, ensuring unwavering stability. Achieve picture-perfect registration with the positive locking mechanism. Compatible with both Printing Screens and Aluminum Frames, this set of 2 Hinge Clamps is a must-have tool for any printing enthusiast. Expertly manufactured in China. === FEATURES:=== AIDS IN REGISTRATION - Offers artists control for precise registration MADE TO LAST - Made of rust-resistant, cast aluminum FEATURES WIDE-WING THUMBSCREWS - Allows for firm fastening to fram and positive locking for perfect registration USE WITH MOST SCREENS - Suitable for use with wood or aluminum printing screens SECURELY ATTACHES TO YOUR TABLE-TOP - Fastens to your table-top or base with screws.