The M22520/5-11 is a die set designed for the Amphenol TWINHEX crimp tool system used in industrial and military standard applications. It provides two distinct hex-shaped crimping cavities, with a larger cavity measuring 0.213 inches (5.4 mm) and a smaller one at 0.068 inches (1.7 mm). This die set is compatible with both the 227-944 (M22520/5-01) hand tool frame and the 227-60 pneumatic crimp tool. It is used for the proper assembly of Amphenol RF connectors to cables, ensuring reliable and consistent terminations.